Interfacing KY-003 Hall magnetic sensor with evive

About This Tutorial
In this tutorial we will interface KY-003 Hall magnetic sensor with evive and we will display whether magnetic field is present or not on TFT display
Tutorial Info

Components Required

ImageComponentQuantityAvailable in Kit
evive1
USB A-B Cable1
Male to Female Jumper Cable 10cm1
  • None

Introduction

The KY-003 Hall magnetic sensor is a magnetic switch , if there is no magnetic field is present in the vicinity of the KY-003 Hall magnetic sensor then signal pin of the sensor will give HIGH signal as a output , if magnetic field is present then signal pin will give LOW signal as a output ; polarity of the magnetic field is of influence to the switching action  ,The front side of KY-003 Hall magnetic sensor needs opposite polarity as the back of the sensor to switch on 

 

Working principle of the Hall magnetic sensor

The KY-003 Hall magnetic sensor has a beam of electrons flowing  ,when there is no magnetic field present there is no electron deflection occurs  ,which supply a high voltage to the signal pin , when a magnnetic field is applied these electrons get deflected and there is a fall in voltage and the signal pin receives a low input

 

In this tutorial we will  display whether magnetic field is present or not on TFT display , if magnetic field is present then we will turn color of round rectangle to “Green” otherwise “Red”.

 

 

Pin description

KY-003 Hall magnetic sensor have 3 pins

  • VCC
  • GND
  • Signal

Circuit diagram

 

  • Connect VCC of KY-003 Hall sensor module to VCC of evive board
  • Connect GND of KY-003 Hall sensor module to GND of evive board
  • Connect Signal pin of  Ky-003 Hall sensor module to pin number 10 of evive board

Arduino code

Expected result

 

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