Topics / Electronics and Microcontroller

ATmega328P and the Arduino UNO R3

Pinout of the ATmega328P and how it maps to the Arduino UNO R3.

Fixing PWM flicker on the Arduino UNO R3

Hooked up an RGB LED to an Arduino and it started to flicker when combining colours? This is how I found the solution.

Resistor Value Table

For when those Rings don't make sense again.


Some arduino-cli common patterns and tricks