A
Anonymous
Apr 14, 2026
Rating: 5/5
Beginner friendly
Easy to set up on Windows 10. Great starter board for USB projects.
Description
Leonardo R3 Microcontroller Development Board - Official ATMEGA32U4 Version with Data Cable, Arduino Compatible
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ATmega32U4 |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7-12V |
| Digital I/O Pins | 20 |
| PWM Channels | 7 |
| Analog Input Channels | 12 |
| DC Current per I/O Pin | 40 mA |
| Flash Memory | 32 KB |
| SRAM | 2.5 KB |
| Clock Speed | 16 MHz |
5 reviews
A
Anonymous
Apr 07, 2026
Rating: 4/5
Great board, minor issue
Works well but the USB cable included felt a bit flimsy. Board itself is solid.
A
Anonymous
Apr 02, 2026
Rating: 5/5
Excellent Leonardo Clone
Pinout matches the official specs. Compiles without issues in Arduino IDE.
A
Anonymous
Mar 24, 2026
Rating: 5/5
Perfect for HID projects
Love the native USB support. Makes creating keyboard macros so much easier than the Uno.
A
Anonymous
Feb 24, 2026
Rating: 5/5
Fast shipping
Board arrived quickly and was well packaged. Tested all pins successfully.
5 FAQ
Q: What is the recommended power supply?
A: We recommend 7-12V via the power jack or 5V via USB.
Q: Do I need to install specific drivers?
A: Most modern OSs recognize it automatically. Older Windows versions may need a driver.
Q: Can I use this to emulate a keyboard?
A: Yes, the ATmega32U4 has native USB support for HID devices.
Q: Is this compatible with the Arduino IDE?
A: Yes, fully compatible. Just select Arduino Leonardo in the board manager.
Q: Are the logic levels 3.3V or 5V?
A: This board operates at 5V logic levels. Please check your sensors accordingly.
![[Youxin Electronics] Soil Moisture Meter Detection Module, Soil Moisture Sensor for Intelligent Robot Cars](https://www.gosteppe.com/cache/medium/product/3877/legacy-main-eca7a3fa750966e5dca86bbf.webp)
![[Puzhong Brand Store] 51 Microcontroller Learning Board Development Board Jiangxie Tech STC89C52 DIY Kit](https://www.gosteppe.com/cache/medium/product/1885/legacy-main-0474e8371f211cc54ab452b5.webp)
![[Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection](https://www.gosteppe.com/cache/medium/product/3259/legacy-main-2f0d3454b36b32391d263648.webp)
![[In Stock] Maihe BOXFUN Rilakkuma Watch Blind Box - Gulu Gulu Moment Series Wristwatch, Gift for Girls](https://www.gosteppe.com/cache/small/product/269930/legacy-main-81bb51a69f43ed5a98182a06.png)
