This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit ... necessary to control a display into just eleven or twelve (in place of thirty-two)! The LED segments of the ...

A while back, [limpfish] bought a few four-digit seven-segment displays from a seller on eBay. A month or two later, thirty displays ended up in [limpfish]’s mailbox. Instead of using the one or ...

with each segment containing two WS2812B addressable LEDs. Each 7-segment assembly is then wired so they can be daisy chained, passing on data to the next digit in the chain. Paper is used to ...