Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...

[Peterthinks] admits he’s no cabinet maker, so his projects use a lot of hot glue. He also admits he’s no video editor. However, his latest video uses some a MAX7219 to create a 600 cha… ...

The article says he had “a” neopixel ring lying around. Not sure where the HaD writer got several. Also, these rings are $2.70 per pair on Aliexpress, meaning 8 could be as little as $10.80 ...

On line 9, we write a value of 0 to this pin. This will deactivate the onboard LED connected to pin 13. The way we’ve wired our breadboard, it will also deactivate whichever LED on our 8-segment ...