Pro Micro ATMEGA32U4 5V/16MHz Mini MCU Leonardo

​Development Board ATmel MCU ATMEG16U2 MEG 2560 R3 Pro Micro ATmeg32U4 5V / 16MHz Mini MCU Leonardo for UNO

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Development Board ATmel MCU ATMEG16U2 MEG 2560 R3 Pro Micro ATmeg32U4 5V / 16MHz Mini MCU Leonardo for UNO

Product Description

Pattern Name: Pro Micro board for Arduino

Note: When you open the Arduino IDE software, pls go to the Tool and choose the board "Arduino Leonardo" 

1. The Pro Micro is similar to the Pro mini except with a ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on board and do away with bulky external USB interface 

2. This tiny little board does all of the neat-o Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 16MHz and 5V, this board will remind you a lot of your other favorite Arduino-compatible boards but this little guy can go just about anywhere. There is a voltage regulator on board so it can accept voltage up to 12VDC. If you're supplying unregulated power to the board, be sure to connect to the "RAW" pin on not VCC. 

3. This latest revision corrects the silk error from the last version of the board so that pin 14 is correctly labeled. We've also added a PTC fuse and diode protection to the power circuit and corrected the RX and TX LED circuit. 


ATmega32U4 running at 5V/16MHz 

Supported under Arduino IDE v1.0.1 

On-Board micro-USB connector for programming 

4 x 10-bit ADC pins 

12 x Digital I/Os (5 are PWM capable) 

Rx and Tx Hardware Serial Connections 

Our Smallest Arduino-Compatible Board Yet 

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