tank cooler

tank_cooler - https://git.okoyono.de/klaute/tank_cooler

A tiny tank cooler.

Used components:

Arduino nano (old bootloader) PC fan 120mm 5V PWM D4184 MOS breakout board USB-C connector

Connections:

USB-C D+ Pin4 CH430 chip USB-C D- Pin5 CH430 chip

VIN PWM board (+) VIN USB-C V+

GND USB-C GND GND BMP280 breakout board GND GND PWM breakout board GND

D9 PWM Pin of the breakout board

A4 SCL pin of BMP280 breakout board A5 SDA pin of BMP280 breakout board

PWM board load PC fan (+) PWM board GNC PC fan (-)