Arduino Pro Micro 5V 16MHz Mini Leonardo ATmega32U4 Board
Brand: ArduinoArduino Boards & Shields
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Prices updated: 13 Oct 2026
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About this product
A compact Arduino-compatible board based on the ATmega32U4 microcontroller, running at 5V and 16MHz. Its native USB support lets it act as a keyboard, mouse or serial device, and it is programmed through a Micro USB port.
Specifications
- Microcontroller
- ATmega32U4
- Operating voltage
- 5V
- Clock speed
- 16MHz
- Digital I/O pins
- 12 (5 PWM)
- Analog inputs
- 4 (10-bit ADC)
- USB interface
- Micro USB
Frequently asked questions
Which Arduino IDE board setting should I use?
The listing states support for Arduino IDE V1.0.1. Use a recent Arduino IDE and select the Arduino Leonardo board profile, which is the usual setting for ATmega32U4 boards.
Can it power a 3.3V sensor directly?
The board runs at 5V logic. Connect 3.3V-only sensors through a regulator or level shifter, and check the sensor's supply voltage first.
