More about Summer Circuit guide 2022 (81)

1-08-2022 | Need help saving energy? This sensor with a flashing LED signals that a radiator's temperature is increasing. No batteries are required...

1-08-2022 | Want to detect the presence of transmitters in the environment? Give this circuit a try for frequencies up to 1.2 GHz.

1-08-2022 | Want to simulate a candle? You can with this simple project, which uses only one active component and three LEDs. Its effect is extremely re...

1-08-2022 | Even though your car’s interior lighting is not the biggest power consumer, it can still drain the battery if it is accidentally left on for...

1-08-2022 | When cooking food, timing is one of the most important ingredients. This digital timer can be a great help!

1-08-2022 | This circuit interferes with the low-voltage connection between the boiler control unit and the hot water flow switch — the sensor that clos...

1-08-2022 | 18650-type Li-ion batteries are a great source of energy, but if you need a voltage higher than, say, 3.6 to 3.7 V (the nominal voltage of a...

1-08-2022 | With this circuit featuring a single ATtiny85 microcontroller, you can simultaneously obtain three square waves of different, user-defined f...

1-08-2022 | Need to turn on a device by placing an object on a surface? This low-power IR switch can do the trick.

1-08-2022 | Discarded equipment can still be perfectly suitable for reuse. This article details how to recycle a car's telephone charger.