Cylewet 10Pcs Reed Switch Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 10) CYT1004

Cylewet 2.5x14mm Reed Switch Magnetic Induction Switch Electromagnetic N/O N/C SPDT Glass Seal for Arduino (Pack of 10) CYT1023

Gikfun Metal Ball Tilt Shaking Position Switches for Arduino(Pack of 10pcs) EK1336

Cylewet 15Pcs Reed Switch with Gilded Lead Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 15) CYT1065

Remington Industries 28SNSP.25 28 AWG Magnet Wire, Enameled Copper Wire, 4 oz, 0.0135" Diameter, 507' Length, Red

10Pcs Reed Switch 10W Low Voltage Current Normally Open Magnetic Switch 2x14mm

WINGONEER 5Pcs Hall Effect KY-003 Magnetic Sensor Module DC 5V For Arduino PIC AVR Smart Cars

Tech Express 20Pcs A3144 A3144E OH3144E Hall Effect Sensor, by

Cylewet 25Pcs AC 1A 125V 3Pin SPDT Limit Micro Switch Long Hinge Lever for Arduino (Pack of 25) CYT1073

DIKAVS Reed Switch Magnetic Switches (Pack of 20)

uxcell 10 Pcs A3144 3 Terminal Sensitive Hall Effect Switch Sensor