Linear Hall magnetic module and number 13 comes with LED build a simple circuit to produce a magnetic field warning lamp.
Use digital 13 interface comes with the LED. The linear Hall magnetic module connected digital 3 interfaces.
When the linear Hall magnetic module senses detected the key signal. LED lights on, otherwise off.
Color: Red + Blue
Type: Magnetic Sensor Module
Compatible Brand: For Arduino/Raspberry Pi
Driving Voltage: DC 5V
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