ATMega 328p use ext 16M oscilator

https://www.ee-diary.com/2021/06/how-to-program-atmega328p-using-atmel.html

Very good arduino uno clone

bought from here

Step to run icesugar-nano

Bought from here. user manual：           https://github.com/wuxx/icesugar-nano/blob/main/README.mdwin 7 serial driver：   https://github.com/wuxx/icesugar-nano/blob/main/doc/usbser.infsource and semantics：     https://github.com/wuxx/icesugar-nano Follow https://projectf.io/posts/building-ice40-fpga-toolchain/…