3pcs LM393 DC 5V/3.3V Hall Sensing Probe Hall Switch Sensor Module Motor Speed Test Magnetic Detect Car Geekcreit for Ar

Specifications Main chip LM393 3144 Hall sensorWorking voltage DC 5VSize 2 7 cm x 1 4cmInterface description 4 wire system 1 VCC external 5V voltage2 GND external GND3 DO small board digital output interface 0 and 1 Features 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 3 x Hall Switch Sensor Module