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KY-024 Linear Magnetic Hall Sensor

20 EGP

## Product Description Typically KY-024 Linear Magnetic Hall Sensor is used to calculate (and therefore adjust or stabilize) the speed of a mechanism in rotation or as a proxim... more on TechDepot Egypt

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Product Details

  • The best price of KY-024 Linear Magnetic Hall Sensor by TechDepot Egypt in Egypt is 20 EGP
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  • Delivery fees are 35-45 EGP, with delivery expected within 5+ day(s)
  • Similar products to KY-024 Linear Magnetic Hall Sensor are sold at Future Electronics, TechDepot Egypt with prices starting at 10 EGP
  • The first appearance of this product was on Jul 31, 2016
  • Amongst similar products of KY-024 Linear Magnetic Hall Sensor the cheapest price is 10 EGP from Future Electronics

Technical Specifications

Weight:5 g

TechDepot Egypt's Description

Product Description

Typically KY-024 Linear Magnetic Hall Sensor is used to calculate (and therefore adjust or stabilize) the speed of a mechanism in rotation or as a proximity switch. There are also sensors switch type, which are limited to only intervene on reaching a threshold of intensity (see KY003) and therefore provide only one output ON / OFF state. In the case of KY024 point intensity 0 should correspond approximately to + 2.5V with an excursion to the 0V and + 5V in step 1024 if fed precisely to 5V. Despite this sensor has a linear response, however, it is not suitable to be used as a measurement of intensity of a magnetic field due to low precision.

The value of zeroLevel corresponds to 0 and goes calibration proceeds launching the sketch with the sensor away from magnets and making sure that the output value indicates precisely 0. In my case I used a value of 537 but may vary slightly from sensor to sensor.

Connectivity

  • Pin (-) –> GND, connect to GND of the Arduino
  • Pin (middle pin) +5 v  –> connect to Arduino +5
  • Pin AO signal –> connect to Arduino pin A0
  • DO –> Do not connect in our example

Code

// Sensor Keyes KY024 (chip ss49E) // Type: Analog // External Libraries: no // Magnetic field sensor analog HALL effect // ------------------------------------------------ ------------------------- // References: // Http://www.sensorwiki.org/doku.php/sensors/hall_effect // Http://dscl.lcsr.jhu.edu/main/images/3/31/SS49e_Hall_Sensor_Datasheet.pdf // ------------------------------------------------ ------------------------- // Supply 5V // Connections Arduino // V = ​​5V // G = mass // S = A0 // // The typical sensitivity is 1.8mV = 1G - (1024 steps) so 5V 1 step = 2.713G // 5/1024 / 0.0018 // The sensor manufactured by Honeywell, however, declares 1.4mV per step const int SIGPIN = A0; const float GAUSS_PER_STEP = 2,713; float rawValue = 0.0; float value = 0.0; zeroLevel float = 537.0; void setup () { Serial.begin (9600); pinMode (SIGPIN, INPUT); Serial.println ("KY024 - Linear Hall Sensor - Test program."); } void loop () { rawValue = analogRead (SIGPIN) - zeroLevel; Serial.print ("Read Raw"); Serial.println (rawValue); // Reading positive relative to the South Pole, the North Pole negative value = rawValue * GAUSS_PER_STEP; // Serial.print ("Reading Calibrated in Gauss:"); // Serial.println (value); delay (1000); }

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