Funduino Basic UNO R3 Development Board Kit - Multicolored
ATmega328 microcontroller; USB chip: ATMEGA16U2/ATMEGA32U2; Digital I/O input / output 0~13V; Analog I/O input / output 0~5V; Support ISP download: Input voltage: connecting USB interface of PC no require of external power external power supply 5~9V; DC voltage input; Output voltage: 5V; DC voltage output: 3.3V