| This is not the first light sensitive circuit to be published in Elektor. This circuit however, distinguishes itself that in addition to lig...
Heino Peters (12)
| Many bathrooms are fitted with a fan to vent excess humidity while someone is showering. This fan can be connected to the light switch, but...
| More and more people are using a PC (conventional or notebook) to view films. The VGA output can be used to provide a matching 'Ambiligh...
| With the advent of digital television, it's often necessary to use a separate receiver. If you have several television sets in your hous...
| The LM335 is a low-cost temperature sensor with a range of –40 +100 degrees celcius. In this circuit, it is used to show whether the outside...
| The present circuit is particularly intended to help the reader in the use of a PIC processor Type PIC16F84, a temperature sensor with 1-Wir...
| It’s a bit strange that range hoods in our kitchens don’t switch on and off automatically. After all, a simple temperature sensor under the...
| A circuit that senses the resistance of the skin and converts it into a useful switching signal. The touch switch contacts can be made from...
| Installations with restricted access are often protected using an access code. If you don’t have particularly demanding requirements regardi...
| The adjustment control for the contrast of an LC-Display is typically a 10-k potentiometer. This works fine, provided that the power supply...