Five-step voltage-level indicator

  
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 - schematic

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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