Catalog > Internet of Things (IOT) Related Products > Arduino Arduino Arduino UNO rev3 Microcontroller Board UNO rev3 Microcontroller Board UNO rev3 ARD UNO REV3 A000066 ORIGINAL ARDUINO UNO MICROCONTROLLER BOARD BASED ON THE ATMEGA328 534.32 ZAR inc for 1 Each 41 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The Arduino Uno is a microcontroller board based on the Atmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. Specifications Microcontroller : ATmega328Operating Voltage : 5VInput Voltage (recommended) : 7~12VInput Voltage (limits) : 6~20VDigital I/O Pins : 14 (of which 6 provide PWM output)Analog Input Pins : 6DC Current per I/O Pin : 40mADC Current for 3.3V Pin : 50mAFlash Memory : 32KB (ATmega328) of which 0.5KB used by bootloaderSRAM : 2KB (ATmega328)EEPROM : 1KB (ATmega328)Clock Speed : 16MHz Downloads Origainal ARDUINO - Compare Board Specs PDF File 56.26 KB Compare Arduino Uno vs Mega 2560 PDF File 38.44 KB References Arduino Page