Robocraze BEST PRICE GUARANTEED
Arduino Leonardo R3 compatible board
Arduino Leonardo R3 compatible board
Couldn't load pickup availability

Free shipping on Orders Above Rs 499/-
Fast Delivery

Technical Support & Easy Returns
Raise a Ticket
Earn RC Coins on Every Purchase
Rewards

Cash on Delivery Available
Cash Delivery
COUPON
When you shop for ₹ 2500 or more.Applicable on Checkout.
*Coupons are not applicable on Original Boards and Kits
- This is Leonardo R3 board compatible with Arduino
- The Leonardo R3 is equipped with ATmega32u4 microcontroller.
- This development has an operating voltage of 5V.
- The Leonardo R3 development board is integrated with 20 digital I/O pins and 7 PWM channels.
- Input voltage(recommended): 7V - 12V Input voltage(limits): 6V - 20V
- You can buy the Leonardo R3 board online at best prices.
Arduino Leonardo R3 Board Compatible with Arduino
The Leonardo R3 Board Micro-USB Arduino Compatible is a microcontroller board based on the ATmega32u4. It has 20 digital input/output pins (seven PWM outputs and twelve analogue inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button.
The Leonardo R3 board includes everything needed to support the microcontroller; simply connect it to a computer via USB or power it via an AC-to-DC adapter or battery to get started. The Leonardo R3 Board differs from all previous 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 ramifications for the board's behavior.
Arduino Leonardo Pinout
Also check Keyes MOS Driving Module. It is a breakout board for the IRF520 MOSFET transistor. It is designed to allow you to control high-power DC loads from a microcontroller. You can use it to control things like LEDs, DC motors, and solenoid valves.
Package Includes :
- 1 x Leonardo R3 Board
Specifications:
Microcontroller | ATmega32u4 |
Board Mode | Leonardo R3 |
Operating Voltage | 5V |
Input Voltage (Recommended) | 7-12V |
Digital I/O Pins | 20 |
PWM Channels | 7 |
Analog Input Channels | 12 |
Dimensions | 5 x 4 x 1cms |
Weight | 10 grams |
Clock Speed | 16 MHz |
Flash Memory | 32 KB (ATmega32u4) of which 4 KB used by bootloader |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
People Also Buy

Arduino UNO+WiFi R3 ATmega328P+Node MCU ESP8266 CH340G Compatible Board

Arduino Mega 2560 Pro ATmega2560 compatible Board

Arduino Mega 2560+WiFi R3 ATmega2560+Node MCU ESP8266 CH340G Compatible Board
Found a better price?
Let us know!
We'll try to match the price for you
1.What is the Arduino Leonardo?
Arduino Leonardo is a microcontroller board based on the ATmega32U4 microcontroller. It is part of the Arduino family of microcontroller boards, which are popular for building electronic projects due to their simplicity and versatility. It has a USB interface, which can be used to connect to a computer or other devices and communicate with them using USB protocols. This makes it easy to program and debug the board using a standard USB connection. It has 20 digital input/output pins and 7 analog input pins, which can be used to connect sensors, actuators, and other electronic components.
2.Is Arduino Leonardo discontinued?
It is not clear if the Arduino Leonardo is currently in production or if it has been discontinued. It is possible that it is no longer being produced, or that it is only available from certain retailers or distributors. In general, Arduino releases new versions of its microcontroller boards periodically, and it is possible that the Leonardo has been replaced with a newer model. It is always a good idea to check the Arduino website or contact the company directly to get the most up-to-date information on the availability of a specific product.
If you are looking for a microcontroller board similar to the Arduino Leonardo, you may want to consider other Arduino boards such as the Arduino Uno or the Arduino Mega, which have many of the same features as the Leonardo and may be more widely available.
3.Is Arduino Leonardo better than Uno?
Both the Arduino Leonardo and the Arduino Uno are popular microcontroller boards that are widely used for building electronic projects. Both boards have their own set of features and capabilities, and which one is "better" for a particular project will depend on the specific requirements and goals of that project. Here are some key differences between the Arduino Leonardo and the Arduino Uno:
- Microcontroller: The Arduino Leonardo is based on the ATmega32U4 microcontroller, while the Arduino Uno is based on the ATmega328 microcontroller. The ATmega32U4 has more memory and a built-in USB-to-serial converter, which allows it to communicate with a computer using the USB protocol. The ATmega328 has less memory and does not have a built-in USB-to-serial converter, so it requires an external USB-to-serial adapter to communicate with a computer.
- Pin layout: The Arduino Leonardo has 20 digital input/output pins and 7 analog input pins, while the Arduino Uno has 14 digital input/output pins and 6 analog input pins.
- Form factor: The Arduino Leonardo is slightly smaller than the Arduino Uno, with a dimensions of 2.7 x 2.1 inches (68 x 53 mm) compared to 2.7 x 2.1 inches (68 x 53 mm) for the Uno.
4.Is Arduino Leonardo good?
The Arduino Leonardo is a popular microcontroller board that is widely used for building electronic projects. It has a number of features that make it a good choice for many projects, including:
- It has a USB interface, which can be used to connect to a computer or other devices and communicate with them using USB protocols. This makes it easy to program and debug the board using a standard USB connection.
- It has 20 digital input/output pins and 7 analog input pins, which can be used to connect sensors, actuators, and other electronic components.
- It has a built-in USB-to-serial converter, which allows it to communicate with a computer using the USB protocol, even if the computer doesn't have a native serial port.
- It has a small form factor, making it easy to integrate into a wide range of projects.