Synchronized Triac Control (CB25497E)

This circuit was found in the August 1992 issue of Radio Electronics magazine. The circuit can be used as an isolated shield for microcontrollers.

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Two conventional 78xx power supplies (CB25958E)
This circuit appeared in the June 1990 issue of Radio Electronics magazine. Integrated circuits must...
SCR Photosensor (CB16109E)
Lockout shooting, due to the incidence of light, can be achieved with the circuit in the figure. In...
Galena with FET Preamplifier (CB10212E)
This circuit can function either as a crystal or galena receiver with a pre-amplifier using a FET...