A sao compatible 3ch PWM mini badge for LEDs/LED noodles using a attiny402, for example for 3d printed LED Noodle badges: https://www.printables.com/model/1370396-led-noodle-ghost-mini-neon-sign https://www.printables.com/model/1370500-led-noodle-animated-cat-mini-neon-sign
KiCad files for version 7.0
In Arduino IDE: deactivate millis() in the "tools" section
