{"product_id":"adafruit-updi-friend-usb-serial-updi-programmer","title":"Adafruit UPDI Friend - USB Serial UPDI Programmer","description":"\u003cp\u003eUPDI stands for \u003ca href=\"https:\/\/onlinedocs.microchip.com\/pr\/GUID-DDB0017E-84E3-4E77-AAE9-7AC4290E5E8B-en-US-4\/index.html?GUID-9B349315-2842-4189-B88C-49F4E1055D7F\"\u003eUnified Program and Debug Interface\u003c\/a\u003e, but this board is so smol and cute that we will call it the Unusually Playful Device Interfacer and pat its head when it does a good job. It's designed to make programming modern ATtiny chips very easy because it has 3V or 5V power and logic select, power and transmit indicator LEDs, and a quick cable for poking into a breadboard.\u003c\/p\u003e \u003cp\u003eWe have been working a lot with \u003ca href=\"\/ru\/search?q=ATtiny\u0026amp;narrow_by=\u0026amp;sort_by=relevency\u0026amp;page=1\"\u003eATtiny816, ATtiny817 and ATtiny1616\u003c\/a\u003e chips lately, as for our seesaw boards. And we're often needing to program them with a \u003ca href=\"\/ru\/products\/adafruit-cp2102n-friend-usb-to-serial-converter\"\u003eCP2102-based breakout\u003c\/a\u003e with a \u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-attiny817-seesaw\/advanced-reprogramming-with-updi\"\u003e1K resistor soldered between the RX and TX pins\u003c\/a\u003e. But we were hankering for a nicer programmer!\u003c\/p\u003e \u003cp\u003eThis UPDI Friend makes programming such chips very easy:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSelect between 3V or 5V power and logic - the 3V regulator can source up to 500mA so it can run even big projects.\u003c\/li\u003e \u003cli\u003eCH340E USB Serial converter chip with cross-platform drivers\u003c\/li\u003e \u003cli\u003e1K Loop-back Resistor between RX and TX\u003c\/li\u003e \u003cli\u003eUSB Type C for data and power connection to any computer\u003c\/li\u003e \u003cli\u003eJST SH cable included for quick plugging into a breadboard\u003c\/li\u003e \u003cli\u003e0.1\" spaced breakout holes for custom connections.\u003c\/li\u003e \u003cli\u003eGreen power OK LED\u003c\/li\u003e \u003cli\u003eRed serial activity LED\u003c\/li\u003e \u003cli\u003eInspired by this \u003ca href=\"https:\/\/github.com\/wagiminator\/AVR-Programmer\/tree\/master\/SerialUPDI_Programmer\"\u003eopen-source hardware design\u003c\/a\u003e from Stefan Wagner!\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cspan\u003eWe use Arduino IDE with the \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/SpenceKonde\/megaTinyCore\"\u003emegaTinyCore board support package\u003c\/a\u003e\u003cspan\u003e installed, simply select \"Serial UPDI\" as the programmer type, we use 230Kbps but 56Kbps is also good.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/djxl4UsgaGo?si=MIrkUJb-tKmVE0YN\u0026amp;start=209\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e \u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003cspan\u003eDimensions: 26.4mm x 17.8mm x 4.9mm\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan\u003eWeight: 2.3g\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003e\u003cspan\u003eResources\u003c\/span\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/learn.adafruit.com\/adafruit-updi-friend\"\u003e\u003cspan\u003ePrimary Guide\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":50847340986641,"sku":"ADA5879","price":6.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/adafruit-updi-friend-usb-serial-updi-programmer-the-pi-hut-ada5879-42367299027139.jpg?v=1735211304","url":"https:\/\/abcd3032.myshopify.com\/ru\/products\/adafruit-updi-friend-usb-serial-updi-programmer","provider":"Tayyab Zak","version":"1.0","type":"link"}