The finished circuit can display numbers ranging from 0 through 1023, in connection with a 10K preset pot attached to the analog input A0 of the Arduino board. This 4 -digit 7-segment display section ...

For testing purpose only one 330 Ohm resistor (R2) is added between ground rail (0V) and the common cathode pins (3 & 8). It is better to directly connect pins 3 & 8 of the display to ground rail.

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Connect the 4-digit 7 segment display to the appropriate pins on the Arduino board based on the circuit diagram. Install the Arduino IDE if you haven't already. Clone or download this repository to ...