INTRODUCTION what's the best way to detect the magnet? Use anther magnet. But it's not sensitive enough. You have to feel it by youself.Right.This magnetic sensor knows whether there is a magnetic object nearby or not. And it correctly tells you through ditigal output
FEATURES Wide voltage range from 3.3V to 5V Standard assembling structure (Times-of-5mm Center distance between two 3mm mounting holes) Easily recognitive interfaces of sensors (A for analog and D for digital) Icons to simplely illustrate sensor function High quality connector Immersion gold surface
SPECIFICATION Supply Voltage: 3.3V to 5V Indicator LED on board Interface: Digital Size: 22x30mm (0.9x1.2in)