If you're a casual track and field fan, you've probably heard of the 4x100 and 4x400 meter relays and can likely deduce how they are run from the names of the events alone. However, those are not the ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O ...

So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...

This PCB was planed for Sainsmart 4-Channel 5V Relay Module. It is alss possible to measure the current if ACS712 is connected to the prepared header. ACS Generic male header - 3 pins pin spacing ...

Building on part 1 of this article in the previous issue, this second installment illustrates the issues and impacts of implementing substation integration in harmony with the utility’s organization ...