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BMoon13
modified 8 years ago

Battery level indicator using lm324 as a comparator

5
0
346
08:15:25
Simple battery meter using lm324n or similar operational amplifier as a comparator. Trim pots adjust set point for each LED and can be replaced with set value resisters. First OpAmp sets a reference voltage for the 3 filters. Adjust the DC Source Voltage to watch the Leds change states. Enjoy! :)
published 8 years ago

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