We found this circuit in the October 1996 Electronics Now magazine. The circuit uses LDRs as sensors and drives relays. The relays must have voltages according to the power supply.
Found in an English documentation, the output transistor of this circuit must be in accordance with the...
This circuit was found in old FET documentation, but it applies to any modern common JFET. The...
March 2017 - The integrated circuit division of IXYS is presented the integrated relay that makes...