Recommended for automotive applications, this circuit was found in an April 1982 Radio Electronics magazine. The transistor supports equivalents. Sensitivity adjustment is made by R1.
August 2017 - MCUs of the new Infineon MC1400 series for industrial use can now be purchased from...
In this circuit, the output voltage is Vxx plus the zener voltage. The circuit is from the SGS...
This circuit can be used in traffic alarm systems. The relay trips when the light falling on the...