This is the receiver for the earlier system published in the August 1988 Radio Electronics magazine. Optical capabilities can be used for extended range.
This circuit keeps a set of lamps permanently on, even when there is a power cut. The circuit can...
This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...
We found this circuit in a 1972 documentation. The transistor, in fact, is a unijunction that can...