15_V_OR_3_V_INDICATOR

Published:2009/7/5 23:15:00 Author:May | From:SeekIC

Digi-Key LM3909N flasher/oscillator drives LED serving as ON/OFF indicator for battery-operated devices. At flash rate of 2 Hz, battery life almost equals shelf life.-C, Shaw, ON-OFF Indicator for Battery Device, QST, March 1978, p 41-42.



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