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KY-021 Magnetic Reed Switch Normally Open Arduino Pic ARV Pi
Description and Specification
KY-021 is a magnetic reed switch sensor that is normally open and gets closed when exposed to a magnetic field.
The KY-021 Mini Magnetic Reed Switch Module consists of a 10kΩ resistor and a small reed switch actuated by a magnetic field, commonly used in mechanical systems as proximity sensors.
- KY-021
- Voltage : 3v to 5v
- Size : 19mm x 16mm x 7mm
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All return shipping charges are at your cost unless product is faulty although they may be refunded solely at our discretion.
The Buyer must contact the Seller within 5 days of the End of the Sale and Payment must be made within 7 days unless agreed beforehand with the seller.
All Payment must be made and Cleared before items are dispatched.
Pay pal transactions can only be sent to the address registered with pay pal.
All refund requests must be within 30 days of receipt of goods.
Refunds/Exchanges are only given when agreed to by an email and Items must be in the condition they were received.
All return shipping charges are at your cost unless product is faulty although they may be refunded solely at our discretion.
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