Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

For the residents who live in rural-areas, limited water-availability is a very common problem. Therefore, many people install a water tank on the roof of the building. The water, stored in a water ...

There’s nothing fun about a Sisyphean task unless you’re watching one being carried out by someone or something else. In that case, it can be mesmerizing like this Arduino-driven kinetic sand table.