Generic ATmega32U4 Pro Micro 5V 16MHz Board w/ Mini USB
This ATmega32U4 Pro Micro board is a compact 5V/16MHz development module with native USB HID support via its Mini USB port, making it ideal for custom keyboard, mouse, and USB device emulation projects. It is fully compatible with the Arduino IDE for rapid firmware development.
Features
- ATmega32U4 8-bit MCU running at 16MHz with 32KB Flash, 2.5KB SRAM, and 1KB EEPROM for embedded logic.
- Native USB HID Support via the integrated Mini USB port, enabling direct plug-and-play recognition as a keyboard, mouse, or game controller.
- Compact Form Factor measuring just 30 x 14 x 6 mm, perfect for embedding into space-constrained DIY electronics and enclosures.
- Arduino IDE Compatible for straightforward programming using the Arduino core libraries and bootloader.
- 5V Operating Voltage supplied via the Mini USB port or the RAW input pin, with an onboard voltage regulator for stable power.
Out of stock
The Generic ATmega32U4 Pro Micro is a purpose-built development board centered on the ATmega32U4 microcontroller, which integrates a full-speed USB 2.0 controller directly into the chip. This architecture eliminates the need for a secondary USB-to-serial converter, allowing the board to function as a native USB Human Interface Device (HID). Its 16MHz clock speed and 32KB of program memory provide sufficient resources for complex input device emulation, macro pads, and mid-sized embedded control applications.
Power management is handled via the Mini USB port, which supplies a regulated 5V to the board’s core logic and I/O pins. The compact 30 x 14 mm footprint makes it an ideal choice for final-product integration where PCB real estate is limited. With full support in the Arduino IDE, developers can rapidly prototype and deploy custom USB firmware, leveraging the extensive library ecosystem for sensors and peripherals connected via its exposed digital and analog GPIO pins.
Additional Information
| Weight | 0.02 kg |
|---|---|
| Dimensions | 3 × 1.4 × 0.6 cm |














