Battery Test Circuit Circuit

Posted on Jan 11, 2013

Using this circuit, tiiree levels of voltage can be displayednormal (11 to 15 V), liigh (>15 V), and low (11 V). When the voltage is low, the LED glows steadily. In the normal range, the LED is off. When the voltage is high, the LED blinks at a 1-Hz rate.

Battery Test Circuit Circuit
Click here to download the full size of the above Circuit.

This circuit is useful for assuring proper electrical system operation.

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