Plate UNO CH340 + Arduino compatible switches It has an Atmega328P chip running at 16Mhz with a factory loaded bootloader. The Uno R3 module has all connectors than the Arduino Uno R3 and is compatible with all Arduino shields. Plate UNO R3 CH340 + Arduino compatible switches features: - ATmega328P chip at 16MHz with crystal external quartz - ATmega328P microprocessor with socket - Operating voltage: 5V - Input voltage (recommended): 7-12V - Input voltage (limits): 6- 20V - Clock speed: 16 MHz - Digital I / O Pins: 14 - Analog input pins: 6 - DC current per I / O Pin: 40 mA - DC Current per Pin 3.3V: 50 mA - Flash32 KB of which 0.5 KB are used by the bootloader -Atmega328 - SRAM 2 KB - Atmega328 Code B0023 ✗ Out-of-Stock Price €10.99