Led bar-graph driver


Posted on May 20, 2012    7617

The circuit uses CA3290 BiMOS dual voltage comparators. Non-inverting inputs of A1 and A2 are tied to voltage divider reference. The input signal is applied to the inverting inputs.


Led bar-graph driver
Click here to download the full size of the above Circuit.

LEDs are turned "on" when input voltage the reaches the voltage on the reference divider.




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