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Reed Sensor Magnetic Switch Module Normally Open LM393 Comparator Arduino AVR
Description and Specification
A reed module is a magnetic sensor that is normally open and get closed when exposed to a magnetic field.
Under normal conditions the 2 plates do not touch creating an open circuit digital output 0 when the switch is placed in the range of a magnetic field the 2 plates are attracted to each other and touch closeing the circuit and giving digit output 1.
Once the presence of the magnetic field is gone, the plates move away from each other breaking the circuit again.
On board potentiometer to set the sensitivity.
These are great for a range of different projects where it is beneficial to know if you are near a magnetic field.
- Voltage : 3.3v to 5v
- Normally-open
- Comparator : LM393
- Working distance : 15mm
- Output Type : Digital output (0 and 1)
- PCB size : 32mm x 14mm
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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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