Switched 5v from the PC to detect IF the PC is on to a GPU of tha arduino. Note line level conversion my be needed. Use a relay with a 5v coil, a couple resistors to create a voltage drop, or line ...

In turn, since he needed an easy way to program the flash memory which holds the software to run on the Z80, he used an Arduino Mega as a debugger, making the SBC an Arduino shield itself. Using ...

The entire system is built on the backbone of an Arduino Uno with a few other parts totaling at about $150. That seems expensive, but DeBoisblanc's build covers a lot of ground.

Tinkernut shows you how to make use of it by turning it into a smartwatch with an Arduino brain. Using a Nokia 1100, Tinkernut walks you through pulling apart the old phone, connecting it to the ...

Each Arduino mimics a different instrument: one plays the bongos, another plays the bass, and the third plays the snare drum. It’s like training wheels, for beat-boxers.