Here is my Tips & Tricks page.
Here are some arduino based projects I've built.
An I2C (Wire) multi-master example sketch A USB driven LCD display Build Arduino sketches with BSD make
My ATmega328P Notes: including physical, logical and functional pin mappings.
My ATmega644P/ATmega1284P Notes: including physical, logical and functional pin mappings.
My ATmega32U4 Notes: including physical, logical and functional pin mappings.
My ESP32 Notes: including physical, logical and functional pin mappings.
My ESP8266 Notes: including physical, logical and functional pin mappings.
Copyright © 2011, 2012, 2013, 2015, 2017, 2018, 2019, 2020, 2021, 2022
Craig Leres