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.

| Clique na imagem para ampliar |

Remote Control Decoder (CB17012E)
This is the decoder circuit for the previous encoder (CB17011E) using integrated circuit MC14028. This...
Photoelectric alarm clock (CB16711E)
This circuit activates a relay when the sensor receives light indicating dawn. A relay with a 4k7...
1-transistor radio (CB22162E)
This old radio with a germanium transistor was obtained from an English documentation from the...