The use of a diac improves the performance of the two dimmers in the previous circuits. The circuit is from the same Radio Electronics magazine in an article that teaches how to use triacs.
This is the receiver for the previous transmitter. The microphone is of the high impedance...
This circuit only detects variations in light falling on the sensor. The circuit uses an LM380 as a...
This simple component tester was found in the October 1997 issue of Electronics Now magazine. The...