Automatic night light (CB7193E)

This circuit is from a 1965 General Electric hobby manual. The circuit can be assembled with sensitive reed relays.

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Non Inverting Amplifier (CB6437E)
This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any...
LT1056 Astable (CB4395E)
This circuit is from the 1993 Linear Technology Applications. We can implement the same oscillator...
Modulation Meter (CB25761E)
As part of a larger project, we found this modulation meter in the August 1994 Electronics Now...