This is the receiver circuit for the previous remote control published in the same Radio Electronics magazine of November 1987. The sensor is a common phototransistor.
This circuit was found in a Popular Electronics from the 90s. The circuit with the 555 monitors the...
Mouser Electronics is making available the SLN-IOT-GPT Integrated Development Experience, a...
This circuit uses a parallel resonant crystal to control the frequency. The circuit is from Radio...