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      US5881LUA-AAA-000-BU 3.5-24V Unipolar Hall Switch HALL EFFECT SW MP TO-92UA/TO-92-3
      • US5881LUA-AAA-000-BU 3.5-24V Unipolar Hall Switch HALL EFFECT SW MP TO-92UA/TO-92-3

      US5881LUA-AAA-000-BU 3.5-24V Unipolar Hall Switch HALL EFFECT SW MP TO-92UA/TO-92-3

      US5881LUA Adafruit 158
      €4.08
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      3.40 € tax excl.

      US5881LUA-AAA-000-BU 3.5-24V Unipolar Hall Switch

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      US5881LUA-AAA-000-BU 3.5-24V Unipolar Hall Switch  TO-92UA/TO-92-3

      (Adafruit 158)

      Hall effect sensors detect whether a magnet is near. Useful for non-contact/waterproof type switches, position sensors, rotary/shaft encoders. I tried dozens of different hall effect sensors to see which one would work best for the SpokePOV kit (to determine the wheel location) and this one came out on top!

      Runs at 3.5V up to 24V. To use connect power to pin 1 (all the way to the left), ground to pin 2 (middle) and then a 10K pull up resistor from pin 3 to power. Then listen on pin 3, when the south pole of a magnet is near the front of the sensor, pin 3 will go down to 0V. Otherwise it will stay at whatever the pullup resistor is connected to. Nothing occurs if a magnet's north pole is nearby (unipolar).

      Data sheet

      Hall Applications Guide

      Quick Reference

      Application Note

      Adafruit Industries
      US5881LUA Adafruit 158

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