1、 Module Introduction:
The magnetic polarity detection module can quickly distinguish the north and south poles of the magnetic field by lighting up and outputting digital signals,
When the north pole of the magnetic field is facing the front of the sensor, the green light of the module lights up, and the N pin outputs a signal that is the same as the supply voltage
Level (note: this output level is only used as a signal level, and the output current capacity is very small and cannot be loaded): Similarly, magnetic field
When the South Pole is facing the front of the sensor, the module blue light comes on, and the s pin outputs a signal level that is the same as the supply voltage (note:
This output level is only used as a signal level, and the output current capacity is very small and cannot be loaded.
3.3-18V wide voltage input, with 3 indicator lights in the module, which can quickly identify the working status.
LED Description:
1. Red light: Power indicator light (on when powered on)
2. Blue light: Magnetic field south pole indicator light (lights up when the magnetic field south pole is close to the front of the sensor, otherwise it usually goes off)
3. Green light: Magnetic field north pole indicator light (it lights up when the magnetic field north pole is close to the front of the sensor, otherwise it usually goes off)
This module can be used to distinguish the polarity of magnets.
2、 Parameter Introduction
1. Working voltage: 3.3V -18V (The higher the power supply voltage, the greater the module's heat generation. If the heat generation is high, pay attention to heat dissipation)
2. Working current: ≈ 8mA (5V power supply)
3. Output signal voltage: ≈ power supply voltage
4. Output interface: The output interface is a 2.45mm spacing needle hole, and the module is equipped with 2.54mm spacing straight and curved needles. Customers can choose to weld at their own discretion
5. Fixing method: M3 screw hole
3、 Pin Description:
Pin Name
Pin function
V: Module power supply positive pole, power supply range 3.3V -18V
G: Module power supply negative pole, signal output negative pole
S: Magnetic Field South Pole Trigger Output (Default Low Level)
G: Magnetic field north pole trigger output (default low level)
5、 Precautions
The module supports a voltage input power supply of 3.3V -18V, and as the power supply voltage increases, the heating capacity of the module will also increase:
When measuring, the measured magnet should be facing the front of the sensor for measurement, and the sensor should be equipped with a silk screen
Face to Face:
If the Magnetic flux density of the magnet is low, the distance between the measured magnet and the sensor can be shortened:
The measurement distance is determined by the Magnetic flux density of the magnet. The higher the Magnetic flux density of the magnet, the greater the theoretical detection distance
Far:
If the detection distance between the north and south poles of a magnet is different, it is a normal phenomenon:
On Nov 28, 2023 at 21:51:10 PST, seller added the following information: