KY021 DH Mini Magnetic Reed Modules – OKY3440 – OKYSTAR

Product Model: OKY3440

Smart Car KY-021 DH Mini Magnetic Reed Modules For Arduino

Product Description

Mini magnetic reed KY-021
100% Brand new and high quality
Sensor module
Provide the highest possible performance & reliability
Fixing bolt holes
Material: PCB
Working Voltage: 3.3V-5V
Can be used with duplicator, refrigerator, camera, water & gas meter.
Compatible with standard 2.54mm pins

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Product Details

Product Description

Mini magnetic reed KY-021
100% Brand new and high quality
Sensor module
Provide the highest possible performance & reliability
Fixing bolt holes
Material: PCB
Working Voltage: 3.3V-5V
Can be used with duplicator, refrigerator, camera, water & gas meter.
Compatible with standard 2.54mm pins

Product Features

Reed module and the interface comes with digital 13 LED build a simple circuit to produce a Reed warning lamp 13 comes with digital interfaces of the LED, the Reed sensor access number 3 interface, when Reed sensors Sensed a key signal, LED lights, otherwise off.

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