Through-Beam Sensors, Photoelectric Switch Infrared Photoelectric Switch Proximity Sensor For Bedroom For Outside Of The Cabinet For Kitchen E3Z-D81 - Walmart.com
HGDEPT021B Alps Alpine, MAGNETIC SENSOR, 0.0013-0.0027T, SOT-23 ROHS COMPLIANT: YES
Diamond-based quantum sensors add sparkle to earth and space exploration - National Research Council Canada
Magnetic Sensors / Compass - RobotShop
1/2/3/5pcs Wireless 433MHz Magnetic Door Sensor Door Window Two-way Open / Close Detector for Home Security Alarm Systems - AliExpress
DCC Concepts DCP-TMS Slim Vertical Mounted Magnetic Sensors (4-pack) For Sale -- Kingston Locomotive Works - Retailers of New and Used Model Train & Hobby Products in Kingston, Ontario, Canada