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Switch module for Arduino KY-004

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£2.50 (inc VAT £3.00)



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Key switch module for Arduino and other microcontroller projects

This module has a small tactile switch that is normaly open and will close when pressed, it has a resistor connected in series with the switch so it can be used directly with a digital input on an Arduino when powered by 5VDC.
Voltage : upto 12VDC
Size 19x15mm


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