Anonymous
Apr 10, 2026
Rating: 5/5
Fast shipping and quality
Arrived well packaged. Tested all pins and they work as expected.
Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ATmega32U4 |
| Operating Voltage | 5V / 3.3V selectable |
| Clock Speed | 16 MHz |
| Digital I/O Pins | 18 |
| PWM Channels | 7 |
| Analog Input Channels | 12 |
| USB Interface | USB Type-C |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| Board Dimensions | 33 x 18 x 7 mm |
Anonymous
Apr 10, 2026
Rating: 5/5
Fast shipping and quality
Arrived well packaged. Tested all pins and they work as expected.
Anonymous
Apr 07, 2026
Rating: 4/5
Solid microcontroller
Good value for money. Documentation could be better but standard Arduino IDE works.
Anonymous
Mar 11, 2026
Rating: 5/5
Excellent replacement
Replaced my old Pro Micro with this. Type-C is a huge plus.
Anonymous
Mar 11, 2026
Rating: 4/5
Good board, minor issue
Great functionality but the USB port felt a bit loose initially. Works fine now.
Anonymous
Feb 21, 2026
Rating: 5/5
Perfect for custom keyboards
Works flawlessly with QMK firmware. Compact and easy to solder.
Q: Is the pinout the same as standard Pro Micro?
A: Yes, the pinout is compatible with standard Pro Micro layouts.
Q: Is this compatible with Arduino IDE?
A: Yes, it is fully compatible with the Arduino IDE using the appropriate board manager.
Q: Does it come with a USB cable?
A: No, the USB cable is sold separately. Please ensure you have a compatible Type-C cable.
Q: Can I use this for 3.3V projects?
A: Yes, there is a jumper to select between 5V and 3.3V operation.
Q: What bootloader does it use?
A: It comes pre-loaded with the Caterina bootloader.