Arduino IR Distance Sensor with External Reference Voltage

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Dear TOM,
i do not know how to connect the ir sensor for this, please help me bby showing the schematic thanks:)

millenia
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hi, i guess, if a sensor voltage of 3.2 volts is present at the analog read input your reference voltage should be at least 3.2 volts as well to cover the whole range in the close proximity range.

rolanddietrich
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