Solar timer (CB20498E)

This very low consumption circuit can be powered by a solar cell. The time indication is given by a microammeter.

Meet the Omron D7S Seismic Sensor (ART508E)
Mouser Electronics offers a vibration sensor which is considered the smallest in its class. This...
Three Phase Motor Speed Inverter (CB4259E)
This circuit was found in the ON Semiconductor thyristor manual of the 1980s. As the drive is done by...
Silencer (CB4197E)
This squelch is activated by its own noise, acting automatically. It is used in communications...