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 ...

• GND: Connected to Arduino UNO GND. • +SPKR and -SPKR: Not connected (NC). • RST: Not connected (NC). • PS: Connected to a blue LED (+) with the other end of the LED (-) connected to a power source ...

Are you a math aficionado in need of a new desk toy? Then do we have the project for you. With nothing more than an Arduino and a seven-segment LED module, [Cristiano Monteiro] has put together a ...