LED_VOLTAGE_INDICATOR

Published:2009/6/29 21:13:00 Author:May | From:SeekIC

Circuit shown uses LED to indicate, by lighting up, that battery has been charged to desired level of 9 V. Circuit can be modified for other charging voltages. Silicon switching transistor can be used in place of more costlythyristor.-P. R. Chetty, Low Bat-tery Voltage Indication, Wireless World, April 1975, p 175.



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