Arduino Uno R3
ATmega328P. The classic Arduino: ATmega328P, 14 digital pins and USB-B. Clones use a CH340 chip instead of the ATmega16U2.
Where to buyAliExpress1 project
ATmega328P. The classic Arduino: ATmega328P, 14 digital pins and USB-B. Clones use a CH340 chip instead of the ATmega16U2.