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A3144 Hall Effect Sensor Module
Magnetic Detection: Functions as a non-contact switch that triggers in the presence of a magnetic field, capable of detecting both poles. Signal Logic: Maintains a HIGH (3.5V) output by default, which transitions to LOW when a magnet is detected. Visual Feedback: Features an integrated onboard LED that illuminates immediately when the sensor is activated by a magnetic field. Electrical Specs: Optimized for 5V systems with a low resting power consumption of 3mA and a quick 2 μsec response time. Robust Design: Includes built-in reverse polarity protection and is rated for extreme temperatures ranging from -40°C to 85°C. Pin Connection Guide Pin Label Connection Function (s) Digital Pin Signal Output (Active Low) Middle +5V Logic Power Supply (-) GND System Ground
Magnetic Detection: Functions as a non-contact switch that triggers in the presence of a magnetic field, capable of detecting both poles. Signal Logic: Maintains a HIGH (3.5V) output by default, which transitions to LOW when a magnet is detected. Visual Feedback: Features an integrated onboard LED that illuminates immediately when the sensor is activated by a magnetic field. Electrical Specs: Optimized for 5V systems with a low resting power consumption of 3mA and a quick 2 μsec response time. Robust Design: Includes built-in reverse polarity protection and is rated for extreme temperatures ranging from -40°C to 85°C. Pin Connection Guide Pin Label Connection Function (s) Digital Pin Signal Output (Active Low) Middle +5V Logic Power Supply (-) GND System Ground
