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.
Description
Pro Micro Development Board with Atmega32U4, Built-in USB Programmer, 5V/16MHz MCU
Reviews
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
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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