This circuit is the receiver for the transmitter from the previous project. We also found it in the Radio Electronics Experimenter magazine, 1989 issue.
Measuring capacitances and resistance this simple instrument was found in Radio Electronics...
Found in a 90s Hands On Electronics, this small preamp finds applications like microphones and other...
This circuit uses the LED itself as a light sensor to self-activate it. Thus, in the light the LED...