This is a very simple touch sensor switch that is build with the 555 timer IC. You just need to touch the metal plate and the relay gets energised and is kept in this state for about 100 seconds, then ...

When you want to make your lights smarter without changing the bulbs, you’re likely looking at upgrading to a smart light switch. One of the more vital functions of a smart switch is its ability to ...

If you’re looking for your first electronics project, or a project to get someone else started in electronics, [Vadim] has you covered. Back when he was first starting out in electronics he built this ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...