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This sensitive vibration sensor is exclusively made for shops to protect against burglary. It will detect any mechanical or acoustic ... -
By making Rt variable it is possible to alter the operating frequency over a 100 to 1 range. Versatile triangle/squarenvave oscillator has... -
Strip LEDs are available in different colours powered by direct current (DC) source. These LEDs are available as surface mount devices with... -
Small circuit to run a LED on line voltage (English) This little circuit allows to connect a LED to line voltage. A LED can not handle wi...
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Listening to music on my pc (proudly using WINAMP), I was wondering how would be to have some leds blinking with the sound that came out f...
