Pro Micro ATmega32U4 5V 16MHz Leonardo Replaces ATmega328 Pro Mini Arduino Compatible

The Pro Micro is similar to the Pro Mini but utilizes the ATmega32U4 microcontroller. The key advantage of the ATmega32U4 is its built-in USB transceiver, which eliminates the need for a separate USB-to-serial converter. This significantly reduces the board’s size and simplifies USB connectivity.

This tiny micro-controller board does all of the Arduino-compatible tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections for Rx and Tx.
 
Running at 16MHz and 5V, this board will remind you of your other favorite Arduino-compatible boards, but this little guy can be integrated into designs where others just won't fit, with the simplicity of an integrated Micro USB connector. 
 
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.

Features:

• ATMega32U4 Microcontroller: Operates at 5V/16MHz.
• Arduino IDE Compatibility: Fully supported by Arduino IDE version 1.0.1 and later.
• Integrated Micro USB Connector: Simplifies programming and communication.
• Analog Inputs: 4 x 10-bit ADC pins for analog sensor readings.
• Digital I/O Pins: 12 x Digital I/O pins for controlling digital devices.
• PWM Outputs: 5 x Digital I/O pins are PWM (Pulse Width Modulation) capable for controlling motor speed, LED brightness, etc.
• Hardware Serial Communication: Dedicated Rx and Tx pins for reliable serial communication.
• Compact Size: Ideal for space-constrained projects.
• Voltage Regulation: On-board voltage regulator accepts input voltages up to 12VDC.

Our Smallest Arduino-Compatible Board Yet!

Package includes:

• 1 x Arduino Pro Micro Compatible ATmega32U4 5V/16Mhz Microcontroller
• Header Pins
• Online specifications and usage documentation

This board is licensed under Arduino's Creative Commons Attribution Share-Alike license.