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  1. #1
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    TDS Meter Microcontroller

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ID:	157828
    I am tracing a circuit for TDS ( Total dissolved substance) meter where I found this Microcontroller. I could not get details of this IC yet.

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  2. #2
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    Re: TDS Meter Microcontroller

    Quote Originally Posted by stebinps1 View Post
    Click image for larger version. 

Name:	New Bitmap Image.jpg 
Views:	5 
Size:	172.0 KB 
ID:	157828
    I am tracing a circuit for TDS ( Total dissolved substance) meter where I found this Microcontroller. I could not get details of this IC yet.
    I found that this IC drives 12 pin LCD ( 3 digits), has an i2c interface , a PWM pin with 10 Hz / 1 % duty cycle and 2 ADC inputs.



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