Schaltplan Arduino Uno. Arduino leonardo is a microcontroller board based on the atmel atmega32u4 microcontroller. Arduino uno r3 mcu part.
Simply connect it to a computer with a usb cable or power it with a ac to dc adapter or battery to get started. It has 14 digital input output pins of which 6 can be used as pwm outputs 6 analog inputs a 16 mhz quartz crystal a usb connection a power jack an icsp header and a reset button. It contains everything needed to support the microcontroller.
Arduino uno r3 mcu part.
Note that rx and tx from the usb bridge are connected with pin0 and pin1. It has 14 digital input output pins of which 6 can be used as pwm outputs 6 analog inputs a 16 mhz quartz crystal a usb connection a power jack an icsp header and a reset button. Arduino uno reference design usb boot en tm reference designs are provided as is and with all faults. Arduino genuino uno is a microcontroller board based on the atmega328p datasheet.