Metro Mini 328

ATmega328 microcontroller with Optiboot (UNO) Bootloader USB Programming and debugging via the well-supported genuine FTDI FT231X Input voltage (Vin): 6-16V (a 9VDC power supply is recommended) 5V logic with 3.3V compatible inputs, can be converted to 3.3V logic operation 20 Digital I/O Pins: 6 are also PWM outputs and 6 are also Analog Inputs 32KB Flash Memory - 0.5K for bootloader, 31.5KB available after bootloading 16MHz Clock Speed Adafruit Black PCB with gold plate on pads 18mm x 44mm x 4mm / 0.7" x 1.7" x 0.2" Weight: 3g Derivative of "Arduino UNO R3 Reference design" Open source hardware files on github!
Manufacturer: Adafruit
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