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7.20SAR
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This is a Mini Reed Switch Module board 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.
Specification:
Material: PCB
length: 25mm
Width: 15MM
Operating Voltage: 3v ~ 5v