Experimenting with batteries, bulbs, buzzers, switches and other electrical components is a great way to learn about circuits and start to think about how to incorporate sounds into your Build a ...

There is no more electrical energy to power the lamp. Let’s change the circuit again and add a switch. A switch turns the circuit on or off by completing or breaking the circuit loop.

Before making any electrical connections, turn off the breaker to your circuit. If you’re not sure what breaker it is, start ...

Students will learn to model as well as simulate these devices individually and in a power converter circuit. This module explains 1) the need for power conversion using a grid-connected solar system ...

It’s useful to be able to turn an electrical circuit on or off by completing the loop or breaking the loop. We can do this by using a switch. A doorbell is a switch that completes a circuit when ...

Build a light-activated switch using LDR that lets you control home appliances using your mobile phone's torch.

Electric paint is used with a circuit board which can then be connected to a computer or a switch. The paint acts as a sensor for the device. Since its launch in 2009, Bare Conductive has sold ...

Sustainable production in which renewable energies are used begins with the establishment of an industrial DC grid. With ...