Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

Discover a 3D-printed DIY 7 Segment Clock powered by Arduino Uno, stepper motors and a DS3231 RTC module. Designed for tabletop use, it features precise mechanical movement and digital control, making ...