I live in a country where these sort of parts are difficult to buy
locally. Why not order your sensor on-line and get it delivered. Its
that easy. Making a sensor to report distance will require parts that
you will probably need to import anyway.
Proximity sensor with analog output.
Voltage output varies with Distance.
Electronics circuit can be setup to read in the voltage,
which will convert them to distance.
I hope this answer your question.
Lim Siong Boon
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