{"product_id":"esp32-38-pin-screw-terminal-adapter","title":"ESP32 38-Pin Screw Terminal Adapter - Breakout Board for 0.9in ESP32","description":"\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eThis ESP32 screw terminal adapter takes a 38-pin ESP32 board and brings all 38 pins out to labelled screw terminals, so sensors, relays and power leads screw down firmly instead of hanging off jumper wires. It fits 38-pin boards whose header rows are 0.9 in (22.9 mm) apart, such as our \u003ca href=\"\/products\/esp32-wroom-32-development-board-38-pin-nodemcu-cp2102-usb-wifi-bluetooth\"\u003eESP32 WROOM-32 38-pin board\u003c\/a\u003e. It does not fit our \u003ca href=\"\/products\/esp32-wroom-32-dev-board-usb-c-30-pin\"\u003e30-pin ESP32 board\u003c\/a\u003e, which has 15 pins a side on 1.0 in rows. The terminal blocks and sockets come soldered on, ready to use.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eFits\u003c\/span\u003e\u003cstrong\u003e38-pin ESP32 boards (19 pins a side) with 0.9 in (22.86 mm) header rows\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eDoes not fit\u003c\/span\u003e\u003cstrong\u003e30-pin ESP32 boards (15 pins a side, 1.0 in rows)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eWider boards\u003c\/span\u003e\u003cstrong\u003eSecond socket row each side for 1.1 in (27.94 mm) or 1.3 in (33.02 mm) spacing\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eScrew terminals\u003c\/span\u003e\u003cstrong\u003e2 x 19, 3.5 mm pitch, every pin labelled\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSockets\u003c\/span\u003e\u003cstrong\u003e4 x 19 female headers, 2.54 mm pitch\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eCircuit\u003c\/span\u003e\u003cstrong\u003eEach terminal wired straight to its sockets; no regulator or other parts\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003e4 corner holes, about 3.4 mm, for M3 screws or standoffs; centres about 71.8 x 57.4 mm apart\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBoard size\u003c\/span\u003e\u003cstrong\u003eApprox. 77 x 63 mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eAssembly\u003c\/span\u003e\u003cstrong\u003eSoldered: terminal blocks and sockets fitted\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eDatasheets\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__ds\"\u003e\n\u003ca class=\"nznpd__dsbar\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/ESP32-38P-TERM-ADP-Datasheet.pdf?v=1792620082\" target=\"_blank\" rel=\"noopener\" aria-label=\"Download the ESP32 38-pin screw terminal adapter datasheet (PDF)\"\u003e\n\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cspan\u003eTechnical datasheet, pin map and mounting holes\u003c\/span\u003e\n\u003cspan class=\"nznpd__dsmeta\"\u003ePDF\u003csvg width=\"17\" height=\"17\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"\u003e\u003c\/path\u003e\u003cpolyline points=\"7 10 12 15 17 10\"\u003e\u003c\/polyline\u003e\u003cline x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e1×\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eESP32 38-pin screw terminal adapter\u003c\/strong\u003e\u003cp\u003eAssembled, with both terminal blocks and all four socket strips soldered on. The ESP32 board is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eMounting an ESP32 in a project box or control panel with M3 standoffs\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eWiring relay modules, DS18B20 probes and switches with screw-down leads\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eESPHome and Home Assistant builds that stay wired up for years\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eSwapping the ESP32 out without undoing any wiring\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck your board\u003c\/strong\u003e\u003cp\u003eCount 19 pins on each side and measure between the two header rows: about 22.9 mm fits the inner sockets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eFit it the right way round\u003c\/strong\u003e\u003cp\u003ePut the 3V3 and GND end of the ESP32 (the antenna end) at the 3V3 \/ GND end of the adapter, with the USB socket at the 5V \/ CLK end, then press it straight down.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eTest over USB first\u003c\/strong\u003e\u003cp\u003eUpload a sketch through the ESP32's own USB socket before wiring anything to the terminals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eWire up\u003c\/strong\u003e\u003cp\u003eUnplug USB, strip about 5 mm of insulation, tighten each wire under its labelled screw, then power up again. Leave SD0 to SD3, CMD and CLK unconnected; they belong to the ESP32's flash memory. If a label on your board differs from the adapter, follow your board's label.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":67684755472480,"sku":"ESP32-38P-TERM-ADP","price":6.49,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/esp32-38-pin-screw-terminal-adapter-01-hero.png?v=1792636662","url":"https:\/\/www.nznelectronics.co.nz\/products\/esp32-38-pin-screw-terminal-adapter","provider":"NZN Electronics","version":"1.0","type":"link"}