The analog height sensor conversion circuit of the above circuit is given below. It is also in the 1992 Electronics Experimenter magazine article.
This oscillator was found in the November 1986 issue of Radio Electronics magazine. The frequency...
With the circuit shown, you can turn the lamp on or off in the living room, without the need to...
The sensors in this alarm are reed-switches. In the diagram we have only one, but several can be...