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How To: Current Meter LED Bar Graph 
electro-tech-online.com | by jakeselectronics | Sun, Sep 27
electro-tech-online.com is the #4 Blogger for LED lamp
So, 0-99mA will light 1 LED. 100-199mA will light 2 LED's and so on.
I was thinking of using the LM3914 to drive the LED's, but this means I need to convert the Current to a Voltage.
So, I was thinking of using this part; ASC712 Hall Effect Current Sensor
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