$3.89
(as of
08/11/2020 00:00 PST
details
)
Features:
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This module can accurately measure distance by using ultrasonic ranging principle.
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Provide 2cm 450cm 0.8 in14.8ft non contact distance sensing function, ranging accuracy up to 3mm 0.1in
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Input trigger is 10us TTL pulse and output echo is output TTL level signal, proportional to the range.
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This is a high performance, low cost ultrasonic ranging module.
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Exquisite workmanship ensures long service life. Easy to replace and use.