Found in an Electronics World of 1969, this circuit causes a light bulb to flash along with the audio signal applied to the input. The circuit only works with incandescent lamps. C can be 47 nF to 220 nF.
We found this circuit in a documentation from the 70s. The original text was kept. The oscillator...
With this circuit we can activate a relay with a simple touch on the sensor. The relay can be 6 or...
This circuit was found in an 80's Electronic Engineering. The circuit uses a multivibrator with...