The
Design Corner /
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Electronic Field Disturbance Monitor
designed by David A. Johnson, P.E. Updated on:
Wednesday, April 09, 2008 04:51 AM
Another voltage comparator A4b is wired as a battery voltage monitor. Should the
battery voltage drop below about 6.8 volts, the power indicating LED will not turn on,
giving the user an indication that the battery needs to be replaced
