Synchronized Triac Switch (CB26127E)

This zero-crossing circuit was found in the 1989 Radio Electronics Experimenter. The Triac must be controlled according to the load.

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SCR Timer (CB10583E)
This circuit was found in a 1974 English magazine. We can also assemble it using BC558 transistor for...
Delay generator (CB20891E)
This circuit generates output pulses with sequential delays. The delays can be programmed by the...
Light disturbance detector (CB8522E)
This circuit is based on the light comparison of two LDR sensors. We found it in a 90s Popular...