Amazon.com: Magnetic Sensor

Overall Pick

5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

100+ bought in past month

Price, product page$9.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

HiLetgo 5pcs Hall Effect Magnetic Sensor Module 3144E A3144 Hall Effect Sensor DC 5V for Arduino PIC AVR Smart Cars

200+ bought in past month

Price, product page$5.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

A3144 Hall Effect Sensor 3Pins Magnetic Detector for Arduino (Pack of 20 pcs)

100+ bought in past month

Price, product page$6.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Twidec/10mm Hall Effect Proximity Sensor Inductive Switch NPN NO（Normally Open) with Magnet DC5-30V NJK-5002C

Price, product page$9.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

100+ bought in past month

Price, product page$6.47 ($1.29/Count)

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm White- (5 Sets)

100+ bought in past month

Price, product page$8.99

6% off coupon appliedSave 6% with coupon

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2

Price, product page$9.29

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Only 5 left in stock - order soon.

weideer 2pcs MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black

100+ bought in past month

Price, product page$9.99 ($5.00/Count)

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8"

50+ bought in past month

Price, product page$7.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape

200+ bought in past month

Price, product page$11.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

waveshare BMM150 3-axis Magnetometer Sensor, Digital Compass Sensor, Magnetic Field Measurement, I2C/SPI Interface, Support Raspberry Pi/Raspberry Pi Pico/Ardu / ESP32

Price, product page$12.49

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Only 7 left in stock - order soon.

20Pcs A3144 3144 Hall Effect Sensor OH3144 AH3144E 3Pins Magnetic Detector

#1 Top Rated

100+ bought in past month

Price, product page$6.99 ($0.35/Item)

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

DIGITEN Hall Sensor Proximity Switch NPN 3-Wires Normally Closed NC with Magnet

Price, product page$6.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Only 6 left in stock - order soon.

5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System

200+ bought in past month

Price, product page$9.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

2 Pack Bicycle Speedometer Magnet Bike Computer Odometer Wheel Spoke Magnet Waterproof Speed Counting Sensor Universal for Bicycles Tachometer Cycling Riding Replacement Parts

50+ bought in past month

Price, product page$7.97

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket

100+ bought in past month

Price, product page$12.99

FREE delivery Mon, Apr 28 on $35 of items shipped by Amazon

Or fastest delivery Thu, Apr 24

1-16 of over 10,000 results for "magnetic sensor"

1-16 of over 10,000 results for "magnetic sensor"

Results

5pcs Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Black, Magnetic Door Sensor, Normally Closed Magnetic Switch

HiLetgo 5pcs Hall Effect Magnetic Sensor Module 3144E A3144 Hall Effect Sensor DC 5V for Arduino PIC AVR Smart Cars

A3144 Hall Effect Sensor 3Pins Magnetic Detector for Arduino (Pack of 20 pcs)

More results

Twidec/10mm Hall Effect Proximity Sensor Inductive Switch NPN NO（Normally Open) with Magnet DC5-30V NJK-5002C

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm White- (5 Sets)

BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2

weideer 2pcs MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black

5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm System NC 3/8"

More results

4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape

waveshare BMM150 3-axis Magnetometer Sensor, Digital Compass Sensor, Magnetic Field Measurement, I2C/SPI Interface, Support Raspberry Pi/Raspberry Pi Pico/Ardu / ESP32

20Pcs A3144 3144 Hall Effect Sensor OH3144 AH3144E 3Pins Magnetic Detector

DIGITEN Hall Sensor Proximity Switch NPN 3-Wires Normally Closed NC with Magnet

5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System

2 Pack Bicycle Speedometer Magnet Bike Computer Odometer Wheel Spoke Magnet Waterproof Speed Counting Sensor Universal for Bicycles Tachometer Cycling Riding Replacement Parts

Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket

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