Mini magnetic reed switch module for Arduino KY-021

Category: Sensors
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Mini magnetic reed switch module for Arduino KY-021
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Our Price

£2.50

(inc VAT £3.00)
Item Number KY021
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Mini magnetic reed switch module for Arduino and other microcontroller projects

 
This module has a small reed switch that is normaly open and will close when it comes close to a magnet.
 
Voltage : 3.3 to 5VDC
Size 19x15mm
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