Arduino Uno R3 Circuit Diagram. It has 14 digital input output pins of which 6 may be employed as pwm outputs 6 analog inputs a 16 mhz crystal oscillator a usb connection a power jack an icsp header along with a reset. Basic circuit diagram of arduino uno r3.
This arduino uno pinout diagram reference will hopefully help you get the most out of this board. Oct 25 2017 the arduino uno is most popular among other arduino development boards. In our last two posts we focused on the software aspects of the arduino.
Adc5 pc5 28 adc4 pc4 27 adc3 pc3 26 adc2 pc2 25 adc1 pc1 24 adc0 pc0 23 sck pb5 19 miso pb4 18 mosi pb3 17 ss pb2 16 oc1 pb1 15 icp pb0 14 ain1 pd7 13 ain0 pd6.
Arduino uno pinout guide. The arduino uno is really a microcontroller board based on the atmega328. This arduino uno pinout diagram reference will hopefully help you get the most out of this board. The arduino uno r3 pin diagram is shown below.
