If you are looking for simple ON-OFF remote switch for your home appliance then this InfraRed remote control circuit is suit for it. This circuit allows you to turn on/off your home appliance (lamp, ran, radio, etc) using any type TV, VCD or DVD remote control with range up to 10 meters. The circuit [...]
This simple touch sensor project can be used to add a touch switch to your computer. It can detect when you touch a sensor connected to one of the sensor inputs. The project is built based on AVR AT90S2313 (you can replace it with ATtiny2313).
Crystal radio is the simplest type of radio receiver, and can be handmade with a few inexpensive parts, like an antenna wire, tuning coil of copper wire, crystal detector and earphones. It needs no battery or power source and runs on the power received from radio waves by a long wire antenna.
This solar powered artbot based on Solar Engine. The circuit consist of two transistors, one flashing led, one resistor, one capacitor. If there is a light the mirror will rotate and if no light the mirror will stop. I think, It’s nice and fun solar powered electronic project.
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