https://www.instructables.com/Sonoff-Programmer-USB-Serial-With-33v-Regulator/
Sonoff Programmer, USB Serial With 3.3v Regulator (with Pictures) - Instructables
Sonoff Programmer, USB Serial With 3.3v Regulator: As I started exploring the wonderful world of ESP8266s and home automation using re-programming of Sonoff...
programmer usb3 3vsonoffserialregulator
https://www.instructables.com/The-2-USB-Pic-Programmer-Serial-Cable/
The 2$ USB Pic Programmer & Serial Cable : 5 Steps - Instructables
the 2pic programmerserial cable5 stepsusb
https://www.adafruit.com/product/5893?srsltid=AfmBOoo5mSe4piu5mrG4wDqql3ubXbUT2IH2BZVAKtZqX9YQiEWx0HX6
Adafruit High Voltage UPDI Friend - USB Serial UPDI Programmer : Adafruit Industries, Unique & fun...
UPDI stands for Unified Program and Debug Interface, but this board is so smol and cute that we will call it the Unusually Playful Device Interfacer and pat...
high voltageusb serialadafruitfriend
https://hackaday.com/2013/04/06/rolling-your-own-minimal-usb-to-serial-arduino-programmer/
Rolling Your Own Minimal USB To Serial Arduino Programmer | Hackaday
Apr 5, 2013 - [Hans Peter] wanted to move away from using full Arduino boards in his projects. One of the components he rarely used after the development stage is the USB...
usb to serialyour ownrollingminimalarduino
https://hackaday.io/project/205656-esp8266-programmer-board-usb-c-based
ESP8266 Programmer Board (USB-C Based) | Hackaday.io
The ESP8266 Programmer is a compact breakout board designed to simplify firmware uploading and serial communication for ESP8266 modules (suc
board usbesp8266programmercbased
https://www.seeedstudio.com/Feetech-FE-URT-1-p-6705.html
Feetech FE-URT-1 USB to TTL, 485 bus programmer
Electronics products and services for Makers to Engineers. Fusion PCB manufacture, PCB Assembly, CNC milling services and more. Affordable and reliable....
usb to ttlfeetechurt1485
https://www.garmin.com/en-CA/p/1190/
USB Aviation Data Card Programmer | Garmin
aviation datausbcardprogrammergarmin