Arduino Uno R3 Board Diagram. As you can see the output of comparators is directly connected to arduino digital pin number 2 and 3. In this tutorial i used the elegoo uno r3 super start kit from amazonthe kit has a cloned arduino uno 3 which is very similar to the original uno as well as a good collection of common components and a comprehensive manual with 24 fun arduino projects with sketches.
Open the arduino ide software on your computer. Open a new sketch file by clicking new. Arduino uno r3 pin diagram.
Arduino is the one of the most excellent electronic platform of the 21 st century.
Vin 6 20 v input to the board. Arduino uno reference design usb boot en tm reference designs are provided as is and with all faults. The customer must not regarding products including but not limited to. Adc5pc5 28 adc4pc4 27 adc3pc3 26 adc2pc2 25 adc1pc1 24 adc0pc0 23 sckpb5 19 misopb4 18 mosipb3 17 sspb2 16 oc1pb1 15 icppb0 14 ain1pd7 13 ain0pd6.