Reed Switch Relay

Reed Switch Relay

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$3.00
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$3.00
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This 5V reed switch relay is able to switch and control electrical devices up to 30V DC. It is perfect for controlling pumps, DC motors, solenoids and lights using your Arduino.

This reed switch contains 4 pins: 2 on the outside to join the ends of your connection, and 2 in the middle to connect to your Arduino (polarized).