Understanding Basic Magnetic Reed Switch Operations for Float Switches
Reed Switch - COM-08642 - SparkFun Electronics
Normally Open 2*14 MM Magnetic Reed Switch Normally Open 2*10 MM Magnetic Reed Switch [RKI-2502] - ₹9.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits
INVENTO 10Pcs Digital Magnetic Reed Switch Sensor SPST 2 Pins NO for DIY : Amazon.in: Industrial & Scientific