Resources:

Wiki Doc
Schematic

When it comes to detecting magnets, using another magnet might not be sensitive enough. With this advanced magnetic sensor, you don’t have to rely on feeling it yourself. The sensor accurately detects the presence of a magnetic object nearby and provides a clear digital output signal. No guesswork needed. Experience reliable magnet detection with this digital output magnetic sensor. Check the demo picture below for a quick demonstration.
Key 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

Package List

Digital magnetic sensor x1
Digital cable x1