This circuit allows the use of an electret microphone with a 1.5 V source. We found it in the Encyclopedia of Electronic Circuits volume 5 from 1995.
The Micro-Lock line of Molex connectors can be obtained from Mouser Electronics. These connectors...
The signal from this circuit found in a 1968 Electronics World is sinusoidal and depends on the...
Advertised as the world's simplest circuit for a Z80, this one is from Radio Electronics magazine,...