Non Blind Zone Ultrasonic Module SDM-IO 3pin

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Non Blind Zone Ultrasonic Module SDM-IO is a stable and measuring the distance accurately ultrasonic module which provides 0cm - 1500mm non-contact measurement function,the ranging accuracy can reach to 3mm. Its performance can compare with SRF05/SRF02 ultrasonic distance measuring module, also it has non-blind (From 0-1cm the measurement results are not accurate when we test, but more than 1cm are accurate) design and fast response.


  • Operation Voltage DC 3 - 5.5 V
  • Global Current Consumption 8 mA
  • Ultrasonic Frequency 40k Hz
  • Maximal Range 3000 mm
  • Minimal Range 0 cm
  • Resolution 1 mm
  • Trigger Pulse Width 10 μs
  • Sensor Angle 15 degrees
  • TTL level output

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