| This remote control is a solution to an almost universal problem. All audio and video equipment have their own remote control, with the resu...
| This remote control is a solution to an almost universal problem. All audio and video equipment have their own remote control, with the resu...
| This project provides the ability to control two separate devices, such as an electrical heater and an extraction fan, based on the measured...
| Color LED strips are now available at low cost in all sorts of types and sizes. With the controller circuit described here, you can set your...
| Dimmers come in many varieties — you’d think. Still, the author did not find what he wanted. So it was back to the drawing board to design a...
| Many households have a utility supply with a separate day/night tariff, where the electricity board delivers cheaper power during the night...
| This circuit can be used to check, for example, whether the door of a refrigerator has been properly closed. An LED sends out a beam of ligh...
| Many electronics hobbyists will have experienced the following: you try to finish a project late at night, and the mains supply fails. Wheth...
| This alarm system uses two PIC16F84 processors and is relatively easy to build and install. The cost is very low compared to ready-made syst...
| Converting parallel information into serial format is a function often performed by complex logic or other dedicated hardware. The approac...