I saw the tutorial on distance sensor and wanted to attempt it myself
however, the ping sensor i have only has three pins: ground, 5v, and SIG
what do i do? / How do i do it
p.s. I'm a newbie so please explain in dumbest way possible *confused*
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if you've attempted this yourself, could you please send me a picture (as an example)
if my understanding (above) is correct, how will i program it