Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ATmega32U4 |
| Operating Voltage | 5V |
| Clock Speed | 16 MHz |
| Digital I/O Pins | 18 |
| PWM Channels | 7 |
| Analog Input Channels | 12 |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| EEPROM | 1 KB |
| USB Interface | Built-in Native USB |
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable for motor control
I used this to control a small drone controller. The 16MHz speed handles the PWM signals perfectly, and the form factor fits right into the chassis.
Anonymous
Mar 23, 2026
Rating: 5/5
Seamless Arduino IDE integration
Uploaded my first sketch in seconds. The bootloader is pre-installed and recognized immediately by the Arduino IDE. Highly recommended for beginners and pros alike.
Anonymous
Mar 21, 2026
Rating: 4/5
Good for learning embedded systems
Bought this for my university project. It's cheap enough to risk burning out while learning, but robust enough to actually work well. Documentation online is plentiful.
Anonymous
Mar 14, 2026
Rating: 4/5
Great value but pins are tight
Works exactly as described for the price. My only complaint is that the pin headers are spaced very closely, so standard jumper wires can be a bit fiddly to connect.
Anonymous
Mar 12, 2026
Rating: 5/5
Exceeded expectations
The build quality is solid. The reset button is responsive, and the TX/RX LEDs provide good visual feedback during debugging. Will buy more for future builds.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for compact projects
This board is incredibly small yet powerful. The native USB support makes it act like a keyboard or mouse instantly without extra drivers. Great for wearable tech.
Q: Is it compatible with the Leonardo library in Arduino?
A: Yes, since it uses the ATmega32U4 chip just like the Arduino Leonardo, it is fully compatible with libraries and code written for the Leonardo.
Q: Does this board come with header pins soldered on?
A: No, this board typically ships without header pins soldered to allow for flexible mounting options. You will need to solder them yourself if required.
Q: How much current can the VCC pin output?
A: The onboard regulator can generally supply up to 150mA safely. For high-current peripherals, we recommend using an external power source.
Q: Can I power this board with 3.3V instead of 5V?
A: This specific model is designed for 5V operation. Supplying only 3.3V may result in unstable performance at 16MHz. Please use a regulated 5V source.
Q: What happens if I upload bad code that breaks USB communication?
A: If your code disables USB, you can recover the board by double-pressing the reset button within seconds of plugging it in to trigger the bootloader mode.
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