Next is the Hookup diagram of the Arduino 4-Digit 7-segment LED Display, followed by the Arduino sketch. Carefully follow the hookup diagram to complete your hardware,and then upload the sketch to ...

It’s based on several 4-digit seven-segment displays controlled by an AVR128DA32 ... especially with the code and board files. But the value of this project is not in blindly copying it.

So he built a mechanical 7-segment display instead! Currently, [Jens]’s channel is in the four-digit subscriber range, so he planned to build a four-digit display. He started by searching for ...