This circuit is for 12 V batteries but can be used with batteries of other voltages by changing the zener diode. The trigger point is adjusted by R1. The operating system accepts equivalents.
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...
This crystal oscillator uses a common transistor and its frequency depends on the crystal used. We...
Found in the April 1995 issue of Electronics Now, this circuit operates at a lower frequency than...