In the previous post, we show how to use ADC library function in CCS PICC. Here, the ADC is still in the discussion. In this example, I use almost the same source code, but one's difference is the output LED displays a bar graph pattern indicating the level of input voltage reading from the AN0.
ADC result is still 8-bit. This 8-bit result is scaled into an 9 number values correspond to 8 output LEDs on PORTD.
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| LED bar graph running |
Source code from GitHub gist.
Click here to download this example in zip file.
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| Schematic Diagram |
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