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Home / Development Boards & Control Boards / Pro Micro Development Board with Atmega32U4, Built-in USB Programmer, 5V/16MHz MCU
Development Boards & Control Boards

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ATmega32U4
Operating Voltage 5V
Clock Speed 16 MHz
Flash Memory 32 KB
SRAM 2.5 KB
EEPROM 1 KB
Digital I/O Pins 18
PWM Channels 7
Analog Inputs 12
USB Connector Micro USB

5 reviews

A

Anonymous

Apr 02, 2026

Rating: 4/5

Good value but pins are tight

Works well but the pin headers are close together. Careful when soldering.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Fast Shipping

Board arrived quickly and was well packaged. Tested and working.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect for small projects

Compact and works straight out of the box. Used it for a custom keyboard build.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Great Arduino Alternative

Recognizes immediately as a Leonardo. Programming is seamless via USB.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Reliable MCU

Been using these for months in various IoT prototypes. No failures so far.

5 FAQ

Q: What bootloader does it use?

A: It comes pre-loaded with the Caterina bootloader.

Q: Can I power it via VIN?

A: Yes, VIN accepts 6-12V DC which is regulated down to 5V for the MCU.

Q: Is this compatible with Arduino IDE?

A: Yes, it is fully compatible with the Arduino IDE using the Leonardo board profile.

Q: Can it handle 3.3V logic?

A: This is a 5V board. For 3.3V logic, please use a level shifter or the 3.3V variant.

Q: Does it come with headers soldered?

A: No, this board is sold without headers to allow for flexible mounting options.

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