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 ...

Posted in Misc Hacks Tagged 7 segment, 74hc165, arduino, AS3144, duodecimal, hall effect, hexadecimal, seven segment Seven Segments, But Not As We Know Them October 6, 2022 by Donald Papp 11 Comments ...

If we put in the sockets four 7-segments LED common cathode LCD display devices, we should connect the pin 33 of the board (the common pin) to the Arduino GND signal. At this point, all works fine ...

For those of us who remember LED calculators, the HP 5082-7400 series red “bubble” displays hold a special charm. Available in 3, 4, or 5-digit varieties, these multiplexed 7-segment displays ...

Reddit user Krukerfluk has created an awesome DIY digital clock using 144 x seven segment displays, combining them to create a larger LED display powered by an Arduino Nano.