Reddit user Krukerfluk has created an awesome DIY digital clock using 144 x seven segment displays, combining them to create a larger LED display ... of the Arduino Nano. The code needs to handle ...

things: addressable seven-segment LED displays. [Sean]’s design is basically ... on the back of each module. [Sean] has some code to support the display but is looking for someone to build ...

Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can ...

His clever solution is to use an Arduino Uno R4 and take advantage of the onboard DAC. To turn on a segment, he connects ... He’s played with masking LED matrix displays with SMD stencils ...