Electronic Supply by Industrial Electronics in Milwaukee Wisconsin : Potter Brumfield, Radio Shack Stores in Milwaukee: ARDUINO® UNO REV.3 ARDUINO® UNO REV.3 ================================================================================ synscon on 26/06/2016 03:51:00 The Arduino Uno is a microcontroller board based on the ATmega328. 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. The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U programmed as a USB-to-serial converter. Features *digital I/O pins: 14 (of which 6 provide PWM output) *analogue input pins: 6 *contains: 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button Specifications *power supply: 6-20 V max. (adapter not included) *microcontroller: ATmega328 *digital I/O pins: 14 (of which 6 provide PWM output) *DC current per I/O pin: 40 mA *DC current for 3.3 V pin: 50 mA *analogue input pins: 6 *flash memory: 32 kB (ATmega328) of which 0.5 kB used by bootloader *SRAM: 2 kB (ATmega328) *EEPROM: 1 kB (ATmega328) *clock speed: 16 MHz