This Leonadro R3 clone is useful for your first electronic projects that use microcontrollers.
The product is a clone of the Arduino development board Leonardo R3, and compatible with, and with the same performance and specifications. This development board uses a microcontroller ATmega32u4 which is strong enough for your electronic projects.
For programming you do not need a special programmer for microcontroller since it includes a bootloader. This development board can be programmed only by connecting to a computer and uploading code of Arduino development environment.
With this product you can build your own automation to your homes, you can build robots or a variety of other projects.