We found these circuits in a 90s Radio Electronics. In them, we have the way to turn a load on and off using pressure switches. The circuit can be used with other types of direct current load.
This interesting high-quality amplifier configuration was featured on the cover of the June 1994...
This heat detector was found in the August 1998 issue of Electronics Now magazine. The circuit uses a...
This circuit consists of a relaxation oscillator with a neon lamp that triggers an SCR, generating high...