Five-step voltage-level indicator

Posted on Jul 25, 2012

This circuit provides a visual indication of the input analog voltage level. It has a high input impedance at pin 8 and open-collector outputs capable of sinking up to 40 milliam-peres. It is suitable for driving a linear array of 5 LEDs to indicate the level is 5 steps

Five-step voltage-level indicator
Click here to download the full size of the above Circuit.

The voltage at the analog input should be in the range of zero to approximately one volt and should never exceed eight volts.

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