The Leonardo R3 Board Micro-USB compatible with Arduino is a micro-controller board base on the ATmega32u4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs); a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button.
It contains everything need to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
The Leonardo R3 Board differs from all preceding boards in that the ATmega32u4 has built-in USB communication; eliminating the need for a secondary processor.
This allows the Leonardo to appear to a connected computer as a mouse and keyboard; in addition to a virtual (CDC) serial / COM port. It also has other implications for the behavior of the board.
Pinout Diagram:
Features :
- It’s a 100% pro micro Arduino Compatible Board.
- Chip: ATmega32u4
- Board Mode: LEONARDO R3
- Color: As shown in the pictures
Package Includes :
1 x Leonardo R3 Board
Useful Links:
Technical Specifications
| Brand | Arduino |
|---|---|
| Interface / Protocol | USB, BLE |
| Connector Type | USB-C |
| SKU | AI1528 |
| Weight | 0.02 kg |
| Availability | In Stock |
Applications & Use Cases
The Leonardo R3 Board Micro-USB Compatible with Arduino is a versatile boards compatible with arduino used across a wide range of applications including electronics learning, robotics, home automation, sensor interfacing, and motor control.
Common use cases:
- Learning programming and electronics
- Building a line-following robot
- Creating a home automation hub
This product is ideal for students, hobbyists, and electronics beginners.
Technical Tip: Arduino Uno is the standard learning board. Mega offers more pins for complex projects. Nano suits breadboard prototyping.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Arduino product sourced from authorized channels

Pankaj Ghosh (verified owner) –
Excellent Leonardo R3 Board Micro-USB Compatible with! Built a weather station with this. Everything works as expected.
Rishabh Tandon (verified owner) –
Very satisfied with this Leonardo R3 Board Micro-USB Compatible with. Fast shipping and genuine components. Zbotic is the best!
Sandhya Panchal (verified owner) –
Using this Leonardo R3 Board Micro-USB Compatible with for my smart farming project. Reliable and easy to interface.
Neha Kamath (verified owner) –
Bought multiple units of this Leonardo R3 Board Micro-USB Compatible with. All working great. Best store for Arduino components.
Mahesh Desai (verified owner) –
Excellent Leonardo R3 Board Micro-USB Compatible with! Built a weather station with this. Everything works as expected.
Shubham Yadav (verified owner) –
Decent quality Leonardo R3 Board Micro-USB Compatible with. Some pins needed cleaning but works fine now.
Anirudh Rajan (verified owner) –
Decent quality Leonardo R3 Board Micro-USB Compatible with. Some pins needed cleaning but works fine now.
Mohit Dave (verified owner) –
This Leonardo R3 Board Micro-USB Compatible with made my robotics project so much easier. Highly recommended for students.
Swati Srivastava (verified owner) –
Nice Leonardo R3 Board Micro-USB Compatible with for the price. Using it in my college project, performs well.
Sanya Saxena (verified owner) –
Decent quality Leonardo R3 Board Micro-USB Compatible with. Some pins needed cleaning but works fine now.
Harsh (verified owner) –
Everything Was Fine And Product Is Also Good. I gave 4 Starts only because delivery took too long.