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Hall Magnetic Sensor Module-Analog Output (KY-035)

SKU: XK1LB5AGAP
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4.9 (44 reviews)
The KY-035 Hall Magnetic Sensor Module is a compact analog magnetic field sensor designed to detect both the strength and polarity of magnetic fields using the AH49E (49E) linear Hall Effect sensor. Unlike digital Hall sensors that only indicate the presence of a magnetic field, the KY-035 produces a continuously varying analog voltage proportional to the magnetic field intensity. When...
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The KY-035 Hall Magnetic Sensor Module is a compact analog magnetic field sensor designed to detect both the strength and polarity of magnetic fields using the AH49E (49E) linear Hall Effect sensor. Unlike digital Hall sensors that only indicate the presence of a magnetic field, the KY-035 produces a continuously varying analog voltage proportional to the magnetic field intensity.

When no magnetic field is present, the sensor outputs approximately half of the supply voltage. As a south pole approaches, the output voltage increases, while a north pole causes the output voltage to decrease. This linear response makes the module ideal for precise magnetic field measurement, position sensing, speed detection, and contactless control systems.

The KY-035 can be easily interfaced with Arduino, ESP32, STM32, Raspberry Pi Pico, AVR, PIC, and other microcontrollers through its analog output pin, making it suitable for robotics, automation, industrial monitoring, and educational electronics projects.

Key Features

  • Linear Hall Effect magnetic field sensor
  • Analog output proportional to magnetic field strength
  • Detects both North and South magnetic poles
  • High sensitivity magnetic field measurement
  • Based on AH49E (49E) Hall sensor IC
  • Continuous analog voltage output
  • Fast response time
  • Low power consumption
  • Compact PCB module design
  • Simple three-pin interface
  • Stable and reliable operation
  • Easy microcontroller interfacing
  • Compatible with Arduino, ESP32, STM32, and Raspberry Pi
  • Ideal for robotics, automation, and educational projects

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Module Type: Analog Hall Magnetic Sensor Module
Model: KY-035
Sensor IC: AH49E (49E) Linear Hall Effect Sensor
Detection Principle: Hall Effect
Operating Voltage: 2.7V to 6V DC
Recommended Operating Voltage: 3.3V to 5V DC
Operating Current: Approximately 3.5mA to 6mA
Output Type: Analog Output
Output Signal: Voltage Proportional to Magnetic Field Strength
Sensitivity: Approximately 1.4 to 2.0mV/Gauss
Magnetic Pole Detection: North and South Pole Detection
Quiescent Output Voltage: Approximately Half of Supply Voltage (No Magnetic Field)
Response Time: Fast Response
Interface Pins: S, VCC, GND
Operating Temperature: -40°C to +85°C
Storage Temperature: -40°C to +85°C
PCB Dimensions: Approximately 18.5mm × 15mm
Mounting Type: Through-Hole Module
Compatibility: Arduino, ESP32, STM32, Raspberry Pi Pico, AVR, PIC

Additional Resources

Hall Magnetic Sensor.PDF

FAQ

1. What is the KY-035 Hall Magnetic Sensor Module used for?

The KY-035 is used to measure the strength and polarity of magnetic fields in applications such as position sensing, speed detection, robotics, automation, and magnetic field monitoring.

2. How does the KY-035 Hall Sensor work?

The module uses an AH49E linear Hall Effect sensor that outputs an analog voltage proportional to the detected magnetic field. The output voltage increases for one magnetic pole and decreases for the opposite pole.

3. Can the KY-035 be connected directly to Arduino and ESP32 boards?

Yes, the module operates from 3.3V to 5V (up to 6V maximum) and provides an analog output that can be directly connected to the analog input pins of Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontrollers.

4. What is the difference between the KY-035 and KY-003 Hall Sensor modules?

The KY-035 provides a continuous analog output proportional to magnetic field strength, while the KY-003 provides only a digital ON/OFF output when a magnetic field exceeds its switching threshold.

5. Can the KY-035 detect both North and South magnetic poles?

Yes. The module can detect both magnetic poles. The output voltage rises when one pole approaches and falls when the opposite pole approaches, allowing it to determine both field strength and polarity.