5V Reed Sensor Module Magnetron with Digital Output for Arduino and Home Devices

E3310 Magnetic Glass Reed Switches - 10 Pack for Model Railway Enthusiasts

Compact CP2104 USB to TTL Serial Converter Module - Ideal for Upgrading Devices

Reed Switch LM393 Magnetron Module Reed Sensor Arduino -UK

Effortless Installation 100 Pcs 10 mm White Cable Clips - Secure Wire Solutions

HCHO Gas Sensor Module Electrochemical CH2O Home Devices P4J23149

Wired Magnetic Door / Window Burglar Alarm Detect Sensor. Reed Switch & Magnet.

Electronic devices ED810 gas detector.