This anti-theft circuit was found in a 1985 documentation. It uses common components that can still be found easily. The relay is 12 V and the circuit has timings of 3 minutes and 20 seconds.
This circuit was suggested by the 101 Electronics Circuits of 1979, but it is still current if we...
January 2017 - The new Honeywell RSC TruStability ™ pressure sensor mounting board is available from...
This circuit changes the dynamic range of an audio signal. The integrated circuit used in this...