This circuit was found in an 80's General Electric documentation. The circuit uses uncommon components today like the PUT. Unijunction admits equivalent.
In the figure we have a more elaborate application of a timer that activates two relays in a...
This circuit triggers a small water pump when the humidity detected by the sensor is reduced in a...
This circuit makes use of the Linear Technology LT6100. We find it in a 2005 company manual. The...