| Stephen Hawes is an electrical engineer passionate about designing electronics and sharing his experiences with a global audience. During wo...
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| Most bathtubs have an overflow pipe to prevent the bathtub from overflowing if you forget that you have opened the tap. However, disasters a...
| Ralph Isaak is a Pocking, Germany-based design engineer interested in industrial diesel engines and much more. His neat and tidy electronics...
| Here is a simple circuit that measures changes in skin resistance. You can use it in a playful way as a lie detector. An ordinary ohmmeter i...
| Want to equip your home or office with remote-controlled lamps or shutters? Home automation is easy when Home Assistant, ESPHome and MySenso...
| Universal remote controls are great for replacing working remotes lying on the coffee table. But what to do when you don't have the remote a...
| This infrared remote controlled dimmer works with a triac. In its standard configuration, it is suitable for light electric heaters and inca...
| Many people would like to build an anemometer, but they dread tinkering with mechanical devices. Here a solid-state variant.
| The Greeks have a long history of innovation and a zeal for learning. Marios Lazos is an Athens-based electrical engineer who is passionate...
| Wouldn't it be handy to have a flashlight that turns on automatically when you pick it up? Well, this small circuit will make your wish come...