We found this circuit in an old Popular Electronics. The circuit is experimental, driving an LED from signals applied to the LDRs. The power supply does not have to be symmetrical.
This Colpitts oscillator with JFET has the amplitude of the signals stabilized by a diode. The...
This circuit can be used with the CIR12642E TTL Roulette, or other game circuits that must draw...
This conventional window detector circuit was found in a 1995 documentation. The trigger points, that...