Arduino Pro Micro Development Board (ATmega32U4)
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The Arduino Pro Micro microcontroller development board is based on the ATmega32U4 IC. Its runs on 5V/16MHz and can also run on 12V supplied to the "RAW" pin. It is based around the Leonardo, which means you no longer need an addition USB-Serial Interface to program your goods. Just plug in the board, download the addition add-on and you're ready to start programming!
The Arduino pro micro board is broken down into 24 individual pins. It has 3 indication LEDs, one of which is dedicated to power. It features 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx.
Specifications
Input Voltage
5 - 12V
Digital I/O Pins
12 (of which 5 provide PWM output)
Analog Input Pins
4
DC Current per I/O Pin
40mA
EEPROM
1KB
SRAM
2KB
Operating Voltage
5V
Clock Speed
16mHz Quarts Oscillator
Flash Memory
32KB (of which 2KB is used by bootloader)