KEYESTUDIO Leonardo R3 ATMEGA32U4 AU Microcontroller Development Board for Arduino

Please NOTE: Open the Arduino IDE, you’ll need to click the “Tools”, then select the Board that corresponds to your Arduino. If you don't choose the correct development board type, it will cause the compilation to fail to transfer. So this is a place that needs special attention.KEYESTUDIO leonardo R3 is fully compatible with the official version, with the same circuit array It is our newest open-source controller, which has cool yellow-black design and twenty-three digital I/O ports, seven PWM ports and twelve analog input ports Maximum allowable current of 5V digital/analog port: 40 mA, and of 3.3V digital/analog port: 50 mA; Working voltage: 5V; Input voltage (recommended) : 7-12v Has fcc and ce certification that they are made from environmentally friendly production technology and materials, made function,voltage, current testing before packaging Main control chip is ATMEGA 32u4, adopting the United States ATMEL original. 【Tutorial download: 】https://fs.keyestudio.com/KS0248