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.
This circuit is from Dutch documentation from 1967. The circuit works with a component of the...
This circuit can be used to add a delay to a logic signal as shown by the input and output...
We found this guitar effects circuit in a 1997 documentation. As the components used are still...