Arduino Schematic Diagram. If you have comments or suggestions feel free to write below. 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 read more.
Also included is the complete schematic diagram of the arduino uno revision 3. 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. In gnd out en bp 1 2 3 4 5 6 7 8 9 10 11 1 12 2 3 4 5 6 7 8 9 10 11 12 1 2 pb5 sck 17 pb7 xtal2 tosc2 8 pb6 xtal1 tosc1 7 gnd 3 gnd 21 vcc 4 vcc 6 agnd 5 aref 20.
This arduino uno pinout diagram reference will hopefully help you get the most out of this board.
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 read more. Here the arduino uno schematic diagram click to enlarge. The arduino uno is really a microcontroller board based on the atmega328. Also included is the complete schematic diagram of the arduino uno revision 3.