Battery full charge alarm circuit
The Battery full charge alarm circuit for a general battery charger. It is simplified circuit and cheap, use one transistor BC557 and display with 2 LED.
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October 12, 2018
All post about the battery indicators
Five Battery low voltage alarm indicator circuits
These are Five Battery low voltage alarm indicator circuits, as ideas to make small projects, them use LED display easy, cheap with normal parts look below [...]
June 26, 2017
Simple battery status monitor circuit using IC-7555
Simple battery status monitor circuit using IC-7555 or low power LED flasher by ICM7555, need to use LED display status of the battery 6V-12V
August 11, 2012
Battery voltage level indicator circuits
This circuit is simple battery level indicator circuit. Which be simple complicated can see that the circuit has will LED keep for display arrive at 3 step. The work of…
July 4, 2010