REDUCING_LED_POWER_DRAIN

Published:2009/7/1 4:52:00 Author:May | From:SeekIC

Arrangement of LEDs in groups of four with constant－current source greatly eliminates wastage of battery power Circuit shows utilization of this technique to display 4-bit binary number from CMOS counter．－T.R.Owen,L.E.D.Display,Wireless World,1976,P 72.



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