Help needed to start with my new project using magnetic sensor

Projects General Guidance
1

Hello....
I am new to using arduino and is trying to build a project using magnetic sensor and arduino uno. I have an app created using react native and on the press of a button I want my magnetic sensor connected to arduino uno to be activated. I wish to know two things:

  1. How do I connect this magnetic sensor to arduino uno
  2. How do I activate my sensor

Sensor Specifications:
Name: QMC5883L module(three-axis magnetic field module)
Model: GY-271
Power supply: 3-5V
Means of communication: IIC Communication protocol

Anykind of help would really be appreciated. Thank you so much.

2

Please post the specifications of the magnetic sensor you are using. Without this information it becomes difficult to provide any guidance as the interfacing configuration between your arduino board and the sensor depends upon the spec of your sensor.

3

Welcome to the forum.

At thr top of every forim section there is a post called how to get the most from the forum. Read it. It tells what information that we need in order to help you.

1 Like
4

Thank You so much...I will check it out

5

Hello...
I have updated my post with the specifications. Thank you for the help

6

what do you mean by activated? It's a magnetic compass module, so it will detect whatever magnetic fields (including Earth) are present.

As far as how you use it: QMC5883LCompass - Arduino Reference

1 Like
7

Thank you for your response. To clarify further, by activation I meant integrating the magnetic compass module into my application so that it detects magnetic fields and returns the results upon some action, like pressing a button within my app.

My concern was whether the magnetic compass module continuously detects magnetic fields without any additional action required on my part. Does it operate automatically once connected, or are there specific steps I need to take to initiate its functionality within my application?

Your insights are greatly appreciated. Thank you for your assistance."

8

The sensor use guide linked in post 6 gives further information and a link to Read the Documentation. The module has several different setup options for you to consider when choosing how your system and app operates. Among the options are standby and continuous modes. So, how do you want to integrate your sensor into your system?

9

I plan to integrate the sensor into my system by establishing communication between the sensor module and my application. This involves configuring the sensor to interface with my app, ensuring that it can detect magnetic fields and transmit the data to the application upon a user-triggered event, such as pressing a button.

10

My sensor QMC5883LC came along with two header pins having 5 pins each. How can i connect arduino uno with my sensor . I also have jumper wires to connect

11

Hi, @p170406

Google;

qmc5883lc arduino

What model Arduino are you using?

Thanks.. Tom.. :grinning: :+1: :coffee: :australia:

12

Vcc->5V
GND->GND
SCL->A5
SDA->A4
DRDY -> any pin except 0 or 1

13

Hi,
Is this associated with this;

Tom.. :grinning: :+1: :coffee: :australia:

14

Threads merged to help with continuity.

15

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