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An ADC is an Analog to Digital Converter. This device converts analog signals into digital form. It is mainly used by digital circuitry to take analog measurements.

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Need help inverting DC voltage without op-amp

Due to the design of the supply, I am forced to use the positive output probe as a common ground for my ADC and MCU. … However, this means that both the voltages on R1 (0 to 0.5 V) and R2 (0 to 5 V) will be negative (as measured by V2 and V3) in reference to ADC and MCU, which I need to convert to positive for ADC measurement …
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