Hall Sensor (speed sensor)


Size: 2.7 cm x 1.4 cm
Main chip: LM393, 3144 Hall sensor
Working voltage: DC 5 V
External 5V VCC
External GND
DO digital output interface (0 and 1)



Linear Hall magnetic module and a digital interface, built-in 13 LED build a simple circuit to produce a magnetic field warning lamp 13 comes with digital interfaces of the LED, the Hall sensor magnetometer access number 3 interface, when Hall magnetometer Sensor senses a key signal, LED lights, otherwise off.


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