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 ...

The LED module at 320*160mm,driving IC is DP5025,brightness is 5000 cd/ ㎡,1/4 Scan.The multi-color LED module is maninly used in LED banner sign display instead of DIP or SMD single color LED ...

multi-color SMD P10 LED sign panel | Multi colors indoor & outdoor LED banner sign digital screen made of SMD P10 7-color LED modules,LED power supply,controlling card,aluminium profile.