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Arduino Uno Rev3, microcontroller Board Based on The ATmega328, 8-bit microcontroller with 32KB of Flash Memory and 2KB of RAM, 14 Digital Input/Output pins, 6 Analog inputs, a 16 MHz Crystal oscillator:
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36 Available I / O Pins, Contains 14 Arduino Digital Pins,6 Pins Arduino Analog and 16 Digital I2C Pins. Arduino GPIO Expansion Board,External Power Supply Interface, Direct External Power Supply: Amazon.ca: Electronics
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![Trying to increase amperage of Arduino Uno digital pin (20mA) to control a cabinet lock that is rated at 12v / 2A - Electrical Engineering Stack Exchange Trying to increase amperage of Arduino Uno digital pin (20mA) to control a cabinet lock that is rated at 12v / 2A - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Z5vgR.jpg)