Catalog > Consumer Electronics > Kits > Various Kits Arduino ATMEGA328 UNO REV3 Arduino ATMEGA328 UNO REV3 HKD UNO REV3 CH340 Compatible with Arduino ATMEGA328 UNO REV3. Uses CH340 USB Driver 99.13 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Digital I / O Digital input / output, a total of 0 ~ 13. Analog I / O Analog input / output, a total of 0 ~ 5. Support the ISP download function. The input voltage: when connected to the computer USB without external power supply, external power supply 5V ~ 9V DC voltage input. Output voltage: 5 V dc output voltage and 3.3 V dc output voltage. Using Atmel Atmega328 microprocessor controller Controller: ATmega328P-AU USB to serial Chip: CH340G Input Voltage (recommended): 7-12V Digital IO pins: 14 (of which 6 provide PWM output) Analog input pins: 6 DC Current per I/O Pin: 40 mA USB Port: type B USB Clock Speed: 16 MHz Operating voltage: 5V Input Voltage (limits): 6-20V