We found this circuit in the September 1992 issue of Radio Electronics magazine. It can be triggered by any signal above ½ Vcc, where Vcc is the supply voltage.
We found this power supply in the 1982 SGS Linear Integrated Circuits manual. The L296 is not...
This circuit monitors the voltage of a 12 V battery. The indicated levels let you know if the...
Suggested by Motorola documentation from the 1980s, this circuit can be implemented with...