This circuit is intended to detect when current flows through the opening of a car door. The circuit fires the horn for 90 seconds. The FET can be the BF245 and the NPN transistors can be the BD135.
This circuit can be used with the 27 MHz transmitter from the previous circuit in a remote-control system...
The Texas Instruments PLLatinum ™ synthesizer can be obtained from Mouser Elecgtronics to generate...
August 2017 - Mouser Electronics is announcing the availability of the new ON Semiconductor CMOS...