Arduino Leonardo R3 ATmega32U4 Development Board

Bring your next controller prototype together on this Leonardo R3 development board. Built around the ATmega32U4, it provides a compact platform for connecting components and developing Arduino-style electronics projects.

A practical base for your next controller project

✅ Connect compatible components through the board headers while you develop and test your circuit.

✅ Use the accessible connectors to keep programming and peripheral connections together on one board.

The board provides a starting point for custom embedded and control projects. Plan your connections around its pin layout and check the package option before ordering.

Product details: Leonardo R3 development board; ATmega32U4 controller. Package contents depend on the selected option.

Choose the package you need and start building your next ATmega32U4 prototype.