UPDI programmer compatible with Arduino IDE

https://www.electronics-lab.com/updi-programmer-compatible-arduino-ide/

Antti Mäntyniemi designed this board, which is a UPDI programmer that utilizes Arduino IDE to program AVR microcontrollers. This kind of programmer is used to programm the new 0-series and 1-series ATtiny mcus using Arduino IDE. The project files are available on github.com so you can build your own programmer.