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5pcs LM393 DC 5V/3.3V Hall Sensing Probe Hall Switch Sensor Module Motor Speed Test For Arduino Magnetic Detect Car


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                  Main chip: LM393, 3144 Hall sensor
                  Working voltage: DC 5V
                  Size: 2.7 cm x 1.4cm
                  Interface description (4-wire system):
                  1 VCC external 5V voltage
                  2 GND external GND
                  3 DO small board digital output interface (0 and 1)
                  1. Has a power indicator and signal output indication.
                  2. Single signal output.
                  3. The module has no trigger and the output is low; the module has a trigger and the output is high.
                  4. Sensitivity is adjustable (fine adjustment).
                  5. There is a signal output when there is magnetic field cutting.
                  6. The output of the circuit board can be directly connected to the single-chip microcomputer or our relay module, buzzer module and so on.
                  7. Can be used for motor speed/position detection and other occasions.
                  Package Included:
                  5 x Hall Switch Sensor Module

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