A YouTube builder shows off how he created an Arduino board that's 7x larger than the real thing... powered by a hidden Arduino Nano.

In MCU-based projects, this design uses a single push button to switch on and switch off 5-V and 15-V supplies in sequence.

Like many of us, [Tim]’s seen online videos of circuit sculptures containing illuminated LED filaments. Unlike most of us, however, he went a step further by using graph theory to design glowing ...

Les Masterson is a deputy editor and insurance analyst at Forbes Advisor. He has been a journalist, reporter, editor and content creator for more than 25 years. He has covered insurance for a decade, ...

Although off-the-shelf breadboards are plentiful and cheap, they almost always seem to use the same basic design. Although you can clumsily reassemble most of them by removing the voltage rail ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...