{"title":"Key-Series","description":"","products":[{"product_id":"esp-master-key","title":"ESP Master Key - Universal Breakout Board Breadboard Adapter for ESP32 ESP8266 Microcontroller Development Boards","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003c\/span\u003e\u003c\/strong\u003eNOTE: For large quantity orders of the \u003cem\u003eESP Master Key\u003c\/em\u003e with custom pricing please \u003ca href=\"https:\/\/ptsolns.com\/pages\/contact\" target=\"_blank\"\u003econtact us\u003c\/a\u003e directly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eThis product has a\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" title=\"ESP Master Key Kit Datasheet\" href=\"https:\/\/docs.ptsolns.com\/Products\/PTS-00099_ESP_Master_Key\/Datasheets\/Datasheet_PTS-00099_ESP_Master_Key_Kit.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e!\u003c\/h3\u003e\n\u003ch3\u003eThis product has a \u003ca href=\"https:\/\/docs.ptsolns.com\/Products\/PTS-00099_ESP_Master_Key\/3D_Models\/ESP_Master_Key_v2.1.step\" title=\"ESP Master Key 3D Model\" rel=\"noopener\" target=\"_blank\"\u003e3D model\u003c\/a\u003e!\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eAlso available on\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.digikey.com\/short\/cjn5mb4j\" target=\"_blank\"\u003eDigikey\u003c\/a\u003e (180+ countries)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.robotshop.com\/products\/ptsolns-esp-master-key-kit\" title=\"ESP Master Key Kit on RobotShop\" rel=\"noopener\" target=\"_blank\"\u003eRobotShop\u003c\/a\u003e (180+ countries)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/a.co\/d\/0D71aes\" target=\"_blank\"\u003eAmazon\u003c\/a\u003e (Canada)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"ESP Master Key Kit on Amazon USA\" href=\"https:\/\/a.co\/d\/bZQIsT1\" target=\"_blank\"\u003eAmazon\u003c\/a\u003e (USA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eAbout this item\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eWhat’s the Problem?\u003c\/strong\u003e: There are many ESP-based microcontroller development boards available in a range of sizes and footprints. Many of these boards occupy most or all of the rows on a standard breadboard, making prototyping and quick circuit assembly difficult due to limited space. The \u003cem\u003eESP Master Key\u003c\/em\u003e solves this problem by relocating the ESP dev board off the breadboard, freeing up valuable space.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e: The \u003cem\u003eESP Master Key\u003c\/em\u003e is compatible with the \u003ca href=\"https:\/\/ptsolns.com\/products\/esp32-microwatt\" title=\"PTSolns ESP32 microWatt\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003eESP32 microWatt\u003c\/em\u003e\u003c\/a\u003e, as well as any ESP microcontroller development board that has up to 20 pins in a row and has a row to row spacing of 8x, 9x, or 10x 2.54mm\/0.1in. See the schematic for a clear depiction of this.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eThat’s the Key\u003c\/strong\u003e: The \u003cem\u003eESP Master Key\u003c\/em\u003e is called a “Key” because, well it sort of looks like one. The \u003cem\u003eESP Master Key\u003c\/em\u003e is part of a Key series of Canadian designed products. Other products in this series include the PTSolns \u003ca href=\"https:\/\/ptsolns.com\/products\/lora-key\" title=\"PTSolns LoRa Key\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003eLoRa Key\u003c\/em\u003e\u003c\/a\u003e used for common LoRa modules.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e: This offering is for a two-pack. Each package includes two (2) PTSolns \u003cem\u003eESP Master Key\u003c\/em\u003e PCBs, four (4) 2x20 Pin Female Headers, four (4) 1x40 Pin Male Headers. This is a kit. SOLDERING IS REQUIRED.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003ePTSolns Customer Support \u0026amp; Resources\u003c\/strong\u003e: We’re here to help. Contact PTSolns support for assistance or technical questions. Every PTSolns product is backed by our comprehensive resource library, including datasheets, schematics, 3D models, Fritzing files, and tutorials. All supporting material is freely available on our “\u003ca href=\"https:\/\/docs.ptsolns.com\/\" title=\"PTSolns Documentation Repository\" rel=\"noopener\" target=\"_blank\"\u003ePTSolns Documentation Repository\u003c\/a\u003e”.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003esplit_description\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none; display: block; margin-left: auto; margin-right: auto;\" alt=\"PTSolns ESP Master Key breakout board adapter designed to connect popular ESP development boards to standard breadboards or prototyping boards. Features dual rows for up to 20 pins per row with adjustable row spacing, freeing up space and simplifying wiring. Compatible with PTSolns ESP32 microWatt and similar ESP boards, fits standard breadboards and PTSolns Proto-Full and Proto-Half prototyping boards.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/PTS-00099-211_Cover_e082fbd3-c60e-4760-a8c2-8e6d566dce82_600x600.jpg?v=1749570911\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"eu6bp-0-0\" data-editor=\"55sni\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"eu6bp-0-0\"\u003e\n\u003cspan data-offset-key=\"eu6bp-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThe PTSolns \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"eu6bp-0-1\"\u003e\u003cspan data-text=\"true\"\u003eESP Master Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"eu6bp-0-2\"\u003e\u003cspan data-text=\"true\"\u003e is part of the Key-Series. This Key makes working with many of the ESP boards simpler and more efficient, in turn saving you time and frustration. The \u003cem\u003eESP Master Key\u003c\/em\u003e is a breakout board adapter that connects popular boards, such as many of the ESP boards, to a breadboard or prototyping board. The unique design frees up precious space on your breadboard\/prototyping board and eliminates complicated wiring schemes that take hours to install and easily rip off when trying to remove the ESP board from the breadboard. If you have ever worked with an ESP on a breadboard, then you know the struggle! \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"eu6bp-0-0\"\u003e\n\u003cspan data-offset-key=\"eu6bp-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"eu6bp-0-0\"\u003e\n\u003cspan data-offset-key=\"eu6bp-0-2\"\u003e\u003cspan data-text=\"true\"\u003eThis \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"eu6bp-0-3\"\u003e\u003cspan data-text=\"true\"\u003eESP Master Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"eu6bp-0-4\"\u003e\u003cspan data-text=\"true\"\u003e is called \"Master\" as any of the standard ESP boards will interface with it. The Key can interface with a board of up to 20 pins per row (2.54mm\/0.1in pitch) and a row spacing of 8x, 9x or 10x 2.54mm\/0.1in (See Schematic in images). The Key fits on any standard breadboard\/prototyping board, and also the PTSolns \u003ca rel=\"noopener\" title=\"PTSolns Proto-Series\" href=\"https:\/\/ptsolns.com\/product-category\/proto-series\/\" target=\"_blank\"\u003e\u003cem\u003eProto-Full\u003c\/em\u003e\u003c\/a\u003e and \u003ca rel=\"noopener\" title=\"PTSolns Proto-Series\" href=\"https:\/\/ptsolns.com\/product-category\/proto-series\/\" target=\"_blank\"\u003e\u003cem\u003eProto-Half\u003c\/em\u003e\u003c\/a\u003e boards.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"eu6bp-0-0\"\u003e\n\u003cspan data-offset-key=\"eu6bp-0-4\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"fn8a7-0-0\" data-editor=\"55sni\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"fn8a7-0-0\"\u003e\n\u003cspan data-offset-key=\"fn8a7-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThe \u003cem\u003eE\u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"fn8a7-0-1\"\u003e\u003cspan data-text=\"true\"\u003eSP Master Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"fn8a7-0-2\"\u003e\u003cspan data-text=\"true\"\u003e is compatible with the PTSolns \u003ca rel=\"noopener\" title=\"PTSolns ESP32 microWatt\" href=\"https:\/\/ptsolns.com\/products\/esp32-microwatt\" target=\"_blank\"\u003e\u003cem\u003eESP32 microWatt\u003c\/em\u003e\u003c\/a\u003e, along with a long list of similar ESP-based microcontroller development boards. Never has prototyping with an ESP development board been this convenient!\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"fn8a7-0-0\"\u003e\n\u003cspan data-offset-key=\"fn8a7-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"biinj-0-0\" data-editor=\"55sni\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"biinj-0-0\"\u003e\n\u003cspan data-offset-key=\"biinj-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis product, along with all of the PTSolns products, comes with a detailed datasheet, and other supporting material. Please view our \"\u003cspan class=\"a-list-item\"\u003e\u003ca href=\"https:\/\/docs.ptsolns.com\/\" title=\"PTSolns Documentation Repository\" rel=\"noopener\" target=\"_blank\"\u003ePTSolns Documentation Repository\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"biinj-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\" to access these documents.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eFeatures of the \u003cem\u003eESP Master Key\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-right: auto; margin-bottom: 16px; margin-left: auto; float: none; display: block;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/ESP_Master_Key_Tech_Pic_600x600.jpg?v=1723219069\" alt=\"Technical diagram of the PTSolns ESP Master Key showing silkscreen printing on both sides, numeric pin numbering from 1 to 40, connected top and bottom ground planes to GND pin, compatibility with common ESP boards, RoHS lead-free finish, and compatibility with PTSolns Proto-Full, Proto-Half boards, and ESP32 microWatt.\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"\" data-block=\"true\" data-editor=\"bi565\" data-offset-key=\"ce276-0-0\"\u003e\n\u003cdiv data-offset-key=\"ce276-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"ce276-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThe following are highlights of the \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ce276-0-1\"\u003e\u003cspan data-text=\"true\"\u003e\u003cem\u003eESP Master Key\u003c\/em\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ce276-0-2\"\u003e\u003cspan data-text=\"true\"\u003efor ESP based microcontroller development boards. For full details please see the \u003ca href=\"https:\/\/docs.ptsolns.com\/Products\/PTS-00099_ESP_Master_Key\/Datasheets\/Datasheet_PTS-00099_ESP_Master_Key_Kit.pdf\" title=\"ESP Master Key Datasheet\" rel=\"noopener\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e which can be found in our \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ce276-0-3\"\u003e\u003cspan data-text=\"true\"\u003e\"\u003cspan data-offset-key=\"biinj-0-0\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003ca href=\"https:\/\/docs.ptsolns.com\/\" title=\"PTSolns Documentation Repository\" rel=\"noopener\" target=\"_blank\"\u003ePTSolns Documentation Repository\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\"\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ce276-0-4\"\u003e\u003cspan data-text=\"true\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"ce276-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"cv8uq-0-0\"\u003e\u003cspan data-text=\"true\"\u003eSilkscreen printing on both sides. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"eevhn-0-0\"\u003e\u003cspan data-text=\"true\"\u003eEasy numeric pin numbering from 1 to 40. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"edujr-0-0\"\u003e\u003cspan data-text=\"true\"\u003eTop and bottom ground planes connected to ground GND out pin. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"13ud0-0-0\"\u003e\u003cspan data-text=\"true\"\u003eFits many of the common\/popular ESP boards. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"ddbfk-0-0\"\u003e\u003cspan data-text=\"true\"\u003eLead-free surface finish RoHS. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-offset-key=\"8tt2e-0-0\"\u003e\u003cspan data-text=\"true\"\u003eCompatible with the PTSolns \u003cspan data-offset-key=\"eu6bp-0-4\"\u003e\u003ca rel=\"noopener\" title=\"PTSolns Proto-Series\" href=\"https:\/\/ptsolns.com\/product-category\/proto-series\/\" target=\"_blank\"\u003e\u003cem\u003eProto-Full\u003c\/em\u003e\u003c\/a\u003e and \u003ca rel=\"noopener\" title=\"PTSolns Proto-Series\" href=\"https:\/\/ptsolns.com\/product-category\/proto-series\/\" target=\"_blank\"\u003e\u003cem\u003eProto-Half\u003c\/em\u003e\u003c\/a\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"8tt2e-0-4\"\u003e\u003cspan data-text=\"true\"\u003eboards, as well as PTSolns \u003cspan data-offset-key=\"fn8a7-0-2\"\u003e\u003ca rel=\"noopener\" title=\"PTSolns ESP32 microWatt\" href=\"https:\/\/ptsolns.com\/products\/esp32-microwatt\" target=\"_blank\"\u003e\u003cem\u003eESP32 microWatt\u003c\/em\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"8tt2e-0-6\"\u003e\u003cspan data-text=\"true\"\u003e!\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul class=\"public-DraftStyleDefault-ul\" data-offset-key=\"cv8uq-0-0\"\u003e\u003c\/ul\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eExample Application\u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-right: auto; margin-bottom: 16px; margin-left: auto; float: none; display: block;\" alt=\"Example application showing the PTSolns ESP Master Key plugged into a standard breadboard. The ESP board connects to the Master Key, which occupies only two rows on the breadboard, freeing up surrounding rows for other components and wiring. This setup simplifies prototyping by reducing clutter and saving breadboard space.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/ESP_Master_Key_Application.jpg?v=1723219187\"\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"ev581-0-0\" data-editor=\"97hn5\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"ev581-0-0\"\u003e\n\u003cspan data-offset-key=\"ev581-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis example using the \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ev581-0-1\"\u003e\u003cspan data-text=\"true\"\u003e\u003cem\u003eESP Master Key\u003c\/em\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"ev581-0-2\"\u003e\u003cspan data-text=\"true\"\u003eshows that the Key frees up valuable rows on a standard breadboard. There are several different models of ESP based microcontroller development boards and some of them only leave a single row on one side on the breadboard. With the Key, these rows are freed up.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"ev581-0-0\"\u003e\n\u003cspan data-offset-key=\"ev581-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"f8c4f-0-0\" data-editor=\"97hn5\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"f8c4f-0-0\"\u003e\u003cspan data-offset-key=\"f8c4f-0-0\"\u003e\u003cspan data-text=\"true\"\u003eNot only does the \u003cem\u003eESP Master Key\u003c\/em\u003e free up valuable breadboard rows, it also make it easier to remove the ESP based microcontroller development board from the entire breadboard without having to first move wires. The Key makes prototyping on a breadboard much easier!\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"f8c4f-0-0\"\u003e\n\u003cspan data-offset-key=\"f8c4f-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"f8c4f-0-0\"\u003e\n\u003ch3\u003eDimensions of the \u003cem\u003eESP Master Key\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-right: auto; margin-bottom: 16px; margin-left: auto; float: none; display: block;\" alt=\"Technical drawing of the PTSolns ESP Master Key showing detailed dimensions of the PCB in millimeters, including overall length, width, and pin spacing, with clear labels and measurement lines.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/ESP_Master_Key_Dimensions.jpg?v=1723219093\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan data-offset-key=\"9va91-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThe \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"9va91-0-1\"\u003e\u003cspan data-text=\"true\"\u003eESP Master Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"9va91-0-2\"\u003e\u003cspan data-text=\"true\"\u003e has two double rows of female headers, each 20 pins long. The spacing between the two parallel headers is shown in the schematic above. With this spacing, most ESP based microcontroller development boards will fit on the Key.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOther Names\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eESP-Master Key\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePTS-00099-001\u003c\/li\u003e\n\u003cli\u003ePTS-00099-101\u003c\/li\u003e\n\u003cli\u003ePTS-00099-201\u003c\/li\u003e\n\u003cli\u003ePTS-00099-211\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PTSolns","offers":[{"title":"Default Title","offer_id":47121750720821,"sku":"PTS-00099-001","price":11.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/PTS-00099-211_Cover_e082fbd3-c60e-4760-a8c2-8e6d566dce82.jpg?v=1749570911"},{"product_id":"lora-key","title":"LoRa 915MHz SX1276 Long Range Transceiver Prototyping Module","description":"\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor large quantity orders of the \u003cem\u003eLoRa Key Kit\u003c\/em\u003e with custom pricing please\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/ptsolns.com\/pages\/contact\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edirectly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eThis product has a\u003cspan\u003e \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/Tutorial1_Getting_Started_LoRa_Rev1.pdf?v=1705118633\" target=\"_blank\"\u003etutorial\u003c\/a\u003e\u003c\/span\u003e!\u003c\/h3\u003e\n\u003ch3\u003eThis product has a\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" title=\"LoRa Key Kit Datasheet\" href=\"https:\/\/docs.ptsolns.com\/Products\/PTS-00137_LoRa_Key\/Datasheets\/Datasheet_PTS-00137_LoRa_Key_Kit.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e!\u003c\/h3\u003e\n\u003ch3\u003eThis product has a \u003ca rel=\"noopener\" title=\"LoRa Key 3D Model\" href=\"https:\/\/docs.ptsolns.com\/Products\/PTS-00137_LoRa_Key\/3D_Models\/LoRa_Key_v2.0.step\" target=\"_blank\"\u003e3D model\u003c\/a\u003e!\u003c\/h3\u003e\n\u003ch3\u003eThis product has a \u003ca rel=\"noopener\" title=\"LoRa Key Kit Tutorial\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/Tutorial1_Getting_Started_LoRa_Rev1.pdf?v=1705118633\" target=\"_blank\"\u003etutorial\u003c\/a\u003e!\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eAlso available on\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"LoRa Key Kit on DigiKey\" href=\"https:\/\/www.digikey.com\/short\/t8d7jw8j\" target=\"_blank\"\u003eDigiKey\u003c\/a\u003e (180+ Countries)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.robotshop.com\/products\/ptsolns-uno-r3-atmega328p-microcontroller-development-board-arduino-compatible\" title=\"Uno R3+ on RobotShop\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.robotshop.com\/products\/ptsolns-breakout-board-for-common-lora-module-key-kit\" title=\"LoRa Key on RobotShop\"\u003eRobotShop\u003c\/a\u003e (180+ countries)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/a.co\/d\/6qiV7yV\" target=\"_blank\"\u003eAmazon\u003c\/a\u003e (Canada)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"LoRa Key Kit on Amazon USA\" href=\"https:\/\/a.co\/d\/6M1TpBg\" target=\"_blank\"\u003eAmazon\u003c\/a\u003e (USA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eAbout this item\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eWhat Is LoRa?\u003c\/strong\u003e: LoRa (Long Range) is a low-power wireless protocol for communicating over several kilometers. This LoRa module uses the SX1276 transceiver for robust, long-distance communication, ideal for IoT and remote sensor projects.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003ePrototyping Made Easy\u003c\/strong\u003e: This all-in-one LoRa Module Prototyping Kit helps you build and test LoRa-based projects quickly. Perfect for beginners or experienced developers working on low-power, long-range wireless applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eCompatible \u0026amp; Versatile\u003c\/strong\u003e: This LoRa Module Prototyping kit works with any 5V or 3.3V microcontroller development boards. If using a 3.3V microcontroller such as the ESP32 microWatt, then you can simply connect the logic pins directly. If using a 5V microcontroller such as the Nano Flip or the Uno R3+, then you must use the included logic-level shifter (LLS) before connecting to the pins of the LoRa Module. Please see the datasheet and tutorials for more information.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e: Each package includes two (2) LoRa Module 915MHz SX1276 transceivers with antenna, two (2) PTSolns \u003cem\u003eLoRa Keys\u003c\/em\u003e, two (2) logic level shifters, two (2) voltage regulators, four (4) capacitors, all required header pins. \u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThis is a kit, SOLDERING REQUIRED.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003ePTSolns Customer Support \u0026amp; Resources\u003c\/strong\u003e: We’re here to help. Contact PTSolns support for assistance or technical questions. Every PTSolns product is backed by our comprehensive resource library, including datasheets, schematics, 3D models, Fritzing files, and tutorials. All supporting material is freely available on our “\u003ca rel=\"noopener\" title=\"PTSolns Documentation Repository\" href=\"https:\/\/docs.ptsolns.com\/\" target=\"_blank\"\u003ePTSolns Documentation Repository\u003c\/a\u003e”.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003esplit_description\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-right: auto; margin-bottom: 16px; margin-left: auto; float: none; display: block;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/PTS_00137_001_Pic1_480x480.jpg?v=1749486526\" alt=\"PTSolns LoRa Key 915MHz SX1276 LoRa transceiver breakout board with 2.54mm pitch adapter, 8-channel bi-directional logic level shifter for 3.3V and 5V compatibility, integrated LM1117 3.3V voltage regulator and smoothing capacitors, designed for easy prototyping of long-range RF communication nodes in North America\"\u003e\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"18bro\" data-offset-key=\"bb134-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"bb134-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"bb134-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThe \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"bb134-0-1\"\u003e\u003cspan data-text=\"true\"\u003ePTSolns \u003cem\u003eLoRa Key\u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"bb134-0-2\"\u003e\u003cspan data-text=\"true\"\u003e allows for quick and efficient prototyping with the 915MHz LoRa Module. The LoRa Module has a non-standard pitch and does not interface with common breadboards. The Key acts as a pitch adapter and allows the LoRa Module to work with a standard breadboard. Furthermore, the \u003cem\u003eLoRa Key \u003c\/em\u003eis very skinny and frees up more space on the breadboard.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"bb134-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"bb134-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"88hhj-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis LoRa Module prototyping kit allows the user to get started in the world of LoRa very quickly. The package includes enough parts to make to wireless LoRa nodes. Tutorials are provided for getting started quickly.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"bb134-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"bb134-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"86hg9-0-0\"\u003e\u003cspan data-text=\"true\"\u003eFor datasheet and other supporting material please see our \"\u003cspan class=\"a-list-item\"\u003e\u003ca rel=\"noopener\" title=\"PTSolns Documentation Repository\" href=\"https:\/\/docs.ptsolns.com\/\" target=\"_blank\"\u003ePTSolns Documentation Repository\u003c\/a\u003e\u003c\/span\u003e\".\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMore Details\u003c\/h3\u003e\n\u003cdiv data-block=\"true\" data-editor=\"7a2e2\" data-offset-key=\"7rddj-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"7rddj-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"7rddj-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis LoRa module 915MHz SX1276 transceiver is a popular communication module used for long range communication. Working with RF can be difficult, especially when first starting out in the field. The LoRa in particular can be cumbersome to get working. Hence we created this complete package to get users working\/prototyping with the LoRa quickly and with ease. This package includes the hardware required to make two LoRa transceiver nodes. Note that microcontrollers are not included as the LoRa can be interfaced to work with a large range of microcontrollers.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"7rddj-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"7rddj-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"7a2e2\" data-offset-key=\"dvflo-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"dvflo-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"dvflo-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis package includes the following highlights:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"dvflo-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-offset-key=\"9od0g-0-0\"\u003e\u003cspan data-text=\"true\"\u003eLoRa transceiver. In North America the free band that hobbyists can use is in the 915MHz range. This LoRa package is intended for this use. \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWarning: Other LoRa distributors may sell a transceiver set to a frequency that is not allowed to be used in North America (such as the 169MHZ, 315MHz, 433MHz, 868MHz versions of the LoRa transceiver).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-offset-key=\"3vn1c-0-0\"\u003e\u003cspan data-text=\"true\"\u003ePTSolns \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"3vn1c-0-1\"\u003e\u003cspan data-text=\"true\"\u003eLoRa Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"3vn1c-0-2\"\u003e\u003cspan data-text=\"true\"\u003e. The LoRa has a pinout pitch of 2.0mm, which is not common and will not interface with a standard breadboard. The \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan data-offset-key=\"3vn1c-0-3\"\u003e\u003cspan data-text=\"true\"\u003eLoRa Key\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"3vn1c-0-4\"\u003e\u003cspan data-text=\"true\"\u003e is a breakout board and adapter that lets the user interface the LoRa with standard pitch of 2.54mm (0.1in) boards.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"c1bgo-0-0\"\u003e\u003cspan data-text=\"true\"\u003e8-Channel bi-directional logic level shifter (LLS). The LoRa works on 3.3V logic. If connecting the LoRa to a 5V microcontroller such as the Nano or Uno a LLS must be used to convert the 5V logic signals to 3.3V logic signals. \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-offset-key=\"oell-0-0\"\u003e\u003cspan data-text=\"true\"\u003eVoltage regulator and capacitor: The LoRa module can be powered externally with the use of the LM1117 3.3V voltage regulator and the 10μF smoothing capacitors.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul class=\"public-DraftStyleDefault-ul\" data-offset-key=\"9od0g-0-0\"\u003e\u003c\/ul\u003e\n\u003cdiv data-block=\"true\" data-editor=\"7a2e2\" data-offset-key=\"fp5qc-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"fp5qc-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"fp5qc-0-0\"\u003e\u003cspan data-text=\"true\"\u003ePlease see our \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/Tutorial1_Getting_Started_LoRa_Rev1.pdf?v=1705118633\" title=\"LoRa Key Kit Tutorial\" rel=\"noopener\" target=\"_blank\"\u003etutorial\u003c\/a\u003e available for download.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"fp5qc-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"fp5qc-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"fp5qc-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"fp5qc-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"7a2e2\" data-offset-key=\"862ba-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"862ba-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan data-offset-key=\"862ba-0-0\"\u003e\u003cspan data-text=\"true\"\u003eNOTE: PACKAGE DOES NOT COME ASSEMBLED. SOLDERING IS REQUIRED.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eA Complete Package for Two LoRa Nodes\u003c\/h3\u003e\n\u003cdiv data-csa-c-id=\"7qu4yh-qsqvkb-73xlq2-5bg3l7\" data-cel-widget=\"aplus-3p-module-b\" class=\"celwidget aplus-module 3p-module-b aplus-standard\"\u003e\n\u003cdiv style=\"text-align: start;\" class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003cimg style=\"margin-right: auto; margin-bottom: 16px; margin-left: auto; float: none; display: block;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/PTS_00137_001_Pic2_1ce565fd-519b-4f98-88b1-228e37d4439b_480x480.jpg?v=1705118250\" alt=\"Product contents image showing all separate parts included in the PTSolns LoRa Key package: two LoRa SX1276 915MHz transceiver modules, two PTSolns LoRa Key breakout boards with 2.54mm pitch adapters, 8-channel bi-directional logic level shifters, LM1117 3.3V voltage regulators, smoothing capacitors, and assembly instructions—required assembly for full prototyping setup\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\" class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003cdiv data-block=\"true\" data-editor=\"3pagu\" data-offset-key=\"f70n0-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"f70n0-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"f70n0-0-0\"\u003e\u003cspan data-text=\"true\"\u003eThis package includes all the hardware to make two LoRa nodes (not including the microcontroller development boards).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"f70n0-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"f70n0-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"3pagu\" data-offset-key=\"9c3kc-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"9c3kc-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"9c3kc-0-0\"\u003e\u003cspan data-text=\"true\"\u003eIf you are working with a 5V microcontroller such as the \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003ca href=\"https:\/\/ptsolns.com\/products\/nano-flip\" title=\"PTSolns Nano Flip\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan data-offset-key=\"9c3kc-0-1\"\u003e\u003cspan data-text=\"true\"\u003eNano Flip\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"9c3kc-0-2\"\u003e\u003cspan data-text=\"true\"\u003e or \u003c\/span\u003e\u003c\/span\u003e\u003cem\u003e\u003ca href=\"https:\/\/ptsolns.com\/products\/uno-r3\" title=\"PTSolns Uno R3+\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan data-offset-key=\"9c3kc-0-3\"\u003e\u003cspan data-text=\"true\"\u003eUno R3+\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/em\u003e\u003cspan data-offset-key=\"9c3kc-0-4\"\u003e\u003cspan data-text=\"true\"\u003e, then you will need to shift the logic levels down to 3.3V. This package already includes the required logic level shifters (LLS).\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"9c3kc-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"9c3kc-0-4\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"3pagu\" data-offset-key=\"acfn3-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"acfn3-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"acfn3-0-0\"\u003e\u003cspan data-text=\"true\"\u003eIf you are working with a 3.3V microcontroller such as the \u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/ptsolns.com\/products\/esp32-microwatt\" title=\"PTSolns ESP32 microWatt\" rel=\"noopener\" target=\"_blank\"\u003e\u003cem\u003e\u003cspan data-offset-key=\"acfn3-0-1\"\u003e\u003cspan data-text=\"true\"\u003eESP32 microWatt\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/a\u003e\u003cspan data-offset-key=\"acfn3-0-2\"\u003e\u003cspan data-text=\"true\"\u003e, then you do not need to shift the logic levels and can connect directly to the LoRa Module pins.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\" class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003cspan data-offset-key=\"acfn3-0-2\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-csa-c-id=\"qk0ecp-l9zjeo-m6if23-ocp1eg\" data-cel-widget=\"aplus-3p-module-b\" class=\"celwidget aplus-module 3p-module-b aplus-standard\"\u003e\n\u003cdiv style=\"text-align: start;\" class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eHardware Setup Example Using 3.3V Microcontroller\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cimg style=\"margin-right: auto; margin-left: auto; float: none; display: block;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/LoRa_Key_Kit_Example_2_480x480.jpg?v=1723222287\" alt=\"Example hardware setup image showing the PTSolns LoRa Key connected to a common 3.3V Pro Mini microcontroller board, demonstrating the simplest configuration without the use of logic level shifters or external voltage regulators for basic LoRa communication prototyping.\"\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003ePlease see our free tutorial available \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/Tutorial1_Getting_Started_LoRa_Rev1.pdf?v=1705118633\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv data-block=\"true\" data-editor=\"4gjj1\" data-offset-key=\"15qgh-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"15qgh-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\u003cspan data-offset-key=\"15qgh-0-0\"\u003e\u003cspan data-text=\"true\"\u003eExample shows hardware setup using the common 3.3V Pro Mini microcontroller. This is the simplest possible setup in which the logic level shifter and external voltage regulators are not used.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"4gjj1\" data-offset-key=\"a920p-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"a920p-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"15qgh-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"4gjj1\" data-offset-key=\"7pidn-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"7pidn-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"7pidn-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003cstrong\u003eNOTE 1\u003c\/strong\u003e:\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"7pidn-0-1\"\u003e\u003cspan data-text=\"true\"\u003e If using a 5V microcontroller such as the Nano, Uno, etc. then the logic level shifter (included in this package) must be placed between the signals of the microcontroller and the LoRa module transceiver.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"7pidn-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"7pidn-0-1\"\u003e\u003cspan data-text=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-block=\"true\" data-editor=\"4gjj1\" data-offset-key=\"c8rnu-0-0\" class=\"\"\u003e\n\u003cdiv data-offset-key=\"c8rnu-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cspan data-offset-key=\"c8rnu-0-0\"\u003e\u003cspan data-text=\"true\"\u003e\u003cstrong\u003eNOTE 2\u003c\/strong\u003e: \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"c8rnu-0-1\"\u003e\u003cspan data-text=\"true\"\u003eBreadboard, Dupont wires, and FTDI USB to TTL serial converter module not included. Shown here for demonstration purposes.\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/Ex_setup2_480x480.jpg?v=1705118294\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-csa-c-id=\"5pte6z-6hqega-zdnldk-tyz6yd\" data-cel-widget=\"aplus-3p-module-b\" class=\"celwidget aplus-module 3p-module-b aplus-standard\"\u003e\n\u003cdiv style=\"text-align: start;\" class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003eTechnical Capabilities of the \u003cem\u003eLoRa Key\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cp class=\"a-spacing-base\"\u003e\u003cimg style=\"margin-right: auto; margin-left: auto; float: none; display: block;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/LoRa_Key_Tech_Pic_2_600x600.jpg?v=1723222271\" alt=\"Technical image of PTSolns LoRa Key showing breakout pins for LoRa module with 2.0mm pitch adapter to common 2.54mm (0.1 inch) pitch, solder points for external antenna on both LoRa Key PCB and LoRa module, silkscreen printing on top and bottom PCB layers, long soldering pads and through-holes for direct soldering or header connections, and Canadian-designed branding\"\u003e\u003c\/p\u003e\n\u003cp class=\"a-spacing-base\"\u003e The PTSolns \u003cem\u003eLoRa Key\u003c\/em\u003e has the following unique technical capabilities:\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eBreakout LoRa pins and adapter 2.0mm pitch to the common 2.54mm\/0.1in pitch.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eExternal antenna can be solder directly onto the \u003cem\u003eLoRa Key\u003c\/em\u003e PCB, or the LoRa module itself.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eSilkscreen printing on both sides of the PCB.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eLong soldering pads and through-holes allow the LoRa modules to be soldered directly onto the PCB, or connected to the PCB via the included male and female 2.0mm headers (recommended).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eCanadian designed!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-csa-c-id=\"nqnzbh-42k1ap-uaem4z-7a2m7p\" data-cel-widget=\"aplus-module-16-tech-specs\" class=\"celwidget aplus-module module-16-tech-specs aplus-standard\"\u003e\n\u003cdiv class=\"a-section a-spacing-large aplus-module-wrapper apm-fixed-width aplus-index-6\"\u003e\n\u003ch3 class=\"a-size-extra-large a-spacing-base a-text-center\"\u003ePackage Includes:\u003c\/h3\u003e\n\u003cdiv class=\"a-row\"\u003e\n\u003cdiv class=\"a-column a-span12 aplus-tech-spec-hide-loading\"\u003e\n\u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e2 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePTSolns LoRa PCBs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e2 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e915MHz SX1276 LoRa module with Antenna\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e4 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x8 Pin 2.0mm Female Header\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e1 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x40 Pin 2.0mm Male Header\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e2 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x40 Pin 2.54mm\/0.1in Male Header\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e2 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8-Channel Logic Level Shifter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e2 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.3V Voltage Regular LM1117\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003e4 pcs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10μF Capacitors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"a-text-bold\"\u003e\u003cspan\u003eNOTE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePACKGE DOES NOT COME ASSEMBLED. SOLDERING IS REQUIRED.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOther Names\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoRa Key\u003c\/li\u003e\n\u003cli\u003eLong Range Module\u003c\/li\u003e\n\u003cli\u003ePTS-00137-001\u003c\/li\u003e\n\u003cli\u003ePTS-00137-101\u003c\/li\u003e\n\u003cli\u003ePTS-00137-211\u003c\/li\u003e\n\u003cli\u003ePTS-00099-211\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"PTSolns","offers":[{"title":"Default Title","offer_id":47845572378933,"sku":"PTS-00137-001","price":34.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/files\/PTS_00137_001_Pic1.jpg?v=1749487442"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/1810\/4629\/collections\/LoRa_Key_Kit_Cover.jpg?v=1780761439","url":"https:\/\/ptsolns.com\/collections\/key-series-1.oembed","provider":"PTSolns","version":"1.0","type":"link"}