Hall Effect Sensor Module
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Hall Effect Sensor Module Hall Effect Sensor Module is used to detect the proximity of a magnet. It is very much smaller in size. When the magnetic field rises above a threshold level, the open-collector output transistor switches on, which pulls the logic-compatible output low and illuminates the onboard LED indicator. It's fast (The turn-on threshold is 35-450 Gauss, the minimum hysteresis is 20 Gauss, and the operating voltage range is 4.5 - 24 volts. This module uses the Allegro MicroSystems A3144EUA sensor. It has a 3-pin interface, signal, V+, and GND. To use this sensor /switch, place a 10K pull-up resistor between the "S" pin and the middle pin (+), and connect the "-" pin to the ground. Supply voltage to the middle pin. The "S" pin will go low (gets pulled to the ground) and the onboard LED indicator will turn on when a magnet is brought near. Pin Description: VCC : 2.3 volts to 5.3 Volts GND : power supply ground AOUT (analog sensor output) : Arduino/ MCU input DOUT (digital sensor output) : Arduino/MCU input Applications: Motor shaft speed measurement (shaft encoder) Object position detection Docking Detection Door Open and Close Detection Proximity Sensing Valve Positioning Pulse Counting
- The module has no trigger and outputs low level; the module has trigger and outputs high level.
- The sensitivity is adjustable (fine adjustment).
- There is signal output when there is magnetic field cutting.
- The circuit board output switch, you can directly connect to the microcontroller or our relay module, buzzer module.
- Can be used for motor speed / position detection and other occasions.
- Sensor Type Hall Effect Sensor Module
- Power 2.3V ~ 5.3V
- Mounting holes size 2mm
- Dimensions 29.2mm * 11.2mm
- Weight 5 grams