Arduino Pro Micro (Clone)

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The Pro Micro is an Arduino-compatible microcontroller development board based on the ATmega32U4 IC. It is based around the Leonardo, which means you no longer need an addition USB-Serial Interface to program your goods. This small board does all the neat tricks: 4-channel 10-bit ADC, 5 PWM pins, 12 DIO and hardware serial connection Rx and Tx you are familiar with. Running at 16MHz and 5V.  There is a voltage regulator on the ship, so it can accept voltages up to 12VDC. If you are supplying an unstable power supply board, be sure to connect to the "RAW" not VCC pin.

Arduino Pro micro is supported by Arduino IDE V1.0.1; 4 x 10-bit ADC pins, 12 x Digital I / Os; Rx and Tx Hardware Serial Connections and you can just connect to the On-Board micro-USB connector for programming. 

Input Voltage: 5 - 9 V Max
Digital I/O Pins: 12 (of which 5 provide PWM output)
Analog Input Pins: 4
DC Current per I/O Pin: 40mA
Operating Voltage: 5V
Clock Speed: 16mHz Quarts Oscillator
Flash Memory: 32KB (of which 2KB is used by bootloader)

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