This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an SCR. The circuit can be adapted for other types of applications.
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...
This circuit was found in an 80s Hands On Electronics. It senses the water level in a reservoir by...
This circuit was found in General Electric documentation from the 1980s. The circuit is intended...