How can one interface a compass module hmc5883l with arduino. Hm55b compass module reader for baby os avr freaks skip to main content. Design and implementation of a simple hmc6352 2axismr digital compass. Triple axis magnetometer hmc5883l breakout quickstart guide. The opensource arduino software ide makes it easy to write code and upload it to the board. In this blogpost were going to deal with the compass module 3axis hmc5883l from parallax and how to integrate it into an arduino the compass module 3axis hmc5883l is designed for lowfield magnetic sensing with a digital interface. Simply download our library and connect the scl pin to your arduino s i2c clock pin, and sda pin to your arduino s i2c data pin and upload our test program to read out accelerometer and magnetic field data. The environment is written in java and based on processing and other opensource software.
Mar 23, 2008 dont think you can use the arduino shiftout to write to the device, since it appears to work only with 8 bit values, not the 4 bit values you need to write to the hm55b. Lets build an arduino electronic compass using the hmc5883l. If you notice the arduino gps has extracted the data in bold into variables which can be used in your normal programming. Jan 30, 2019 the following spin file is the unmodified version of hm55b compass module asm. Dec 18, 2008 this compass module made exclusively by parallax is a dualaxis magnetic field sensor built around the hitachi hm55b ic. The compass module is designed for lowfield magnetic sensing with a digital interface, to provide heading information for your microcontroller project. This library should run a tiny little bit faster and waste a few precious bytes less.
Hmc5883l digital compass on an arduino le mon 03 august 2015. There is another solution in the arduino playground which has great information on how to connect the module, but its makes your code more cluttered. Parallax has made this compass ic accessible by providing hitachis surface mount sensor chip with a 3 v onboard voltage regulator and resistor protection, all in a 0. Jun 12, 2010 i have just completed a compass reader for my baby orangutan and thought some of you may find it useful. Adafruit hmc5883l breakout tripleaxis magnetometer compass.
Jun 19, 2011 this mini project shows how to connect the sparkfun compass module sku sen07915 to both the arduino uno and the arduino mega 2560. Mar 19, 20 here an arduino uno is linked to an hmc 5883l digital compass via an i2c serial bus. Sainsmart hmc5883l digital compass module 3 axis magnetoresistive sensor for arduino uno mega r3 mega2560 duemilanove nano robot. The pin labeled vin connects to the 5v output on the arduino, scl connects to analog ouput a5 while sda connects to a4. Use 3rd party software to display the arduino gps data. Pdf design and implementation of a simple hmc6352 2axis. Compared against a standard compass, the outofthebox calibration is. It merely uses some conventions for the dio and aio pins of each of the 4 ports. Sending gps and compass information to hardware serial on arduino pro mini with ublox gps and hmc5883l compass chip airbot ublox 2. Jul 16, 2015 in this follow up tutorial, we will build an electronic compass using an arduino, the hmc5883l module and a rgb ws2812 ring of 16 leds check out our tutorials page at. However,the logo on it was hmc5883l which is incorrect. Compass modules are designed to detect the earths magnetic field, which is very weak. Adafruit hmc5883l breakout tripleaxis magnetometer. May 02, 2017 the hmc5883l 3 axis digital compass module usually requires only 4 pins to interface it with the arduino microcontroller.
Getting started with an arduino adding a compass, hmc5883l. The hm55b has linear response in the range of 0 to 180 microtesla, and even a small magnet can have field strength several orders of magnitude larger than that. This sketch will make sure the robot goes towards a certain direction. You may have noticed, the compass module on your arduino robot doesnt always give accurate readings. Hm55b compass module reader for baby os avr freaks.
Using hitachi hm55b compass module adafruit industries. Sunfounder digital compass module qmc5883l chip for arduino. I have just completed a compass reader for my baby orangutan and thought some of you may find it useful. Hm55b compass module tv and serial demo warning message the propeller object exchange system is decommissioned and replaced with a github repository to house the same existing and future propeller objects. Interfacing a hitachi hm55b compass module written by antonio galea how to interface an electronic compass to the fox board in user space. The hitachi hm55b compass module produced by parallax is a dualaxis magnetic field sensor, that is, the electronic equivalent of a traditional compass.
Adafruit hmc5883l breakout tripleaxis magnetometer compass sensor created by lady ada last updated on 20191114 10. If you turn around the robot, towards certain directions the read out is more dense than the others. The compass module consists of an hmc5883l threeaxis cartesian axes x, y and z magnetic field chip which consists of 3 magnetoresistive sensors arranged in axes perpendicular to each other. Here is an example using a hm55b compass module from parallax, using an arduino duemilanove with a proto shield from adafruit. Here an arduino uno is linked to an hmc 5883l digital compass via an i2c serial bus. If using with an arduino, its extraeasy to get started as we already wrote a nice little arduino library to get you started. The most common include using the chip as a digital compass to sense direction or using them to detect ferrous magnetic metals. Lets build an arduino electronic compass using the. This is a digital compass module with qmc5883l chip for arduino and raspberry pi. Hm55b compass module asm propeller microcontroller. Digital compass using i2c, arduino, and sparkfun compass. The hmc5883l is 3axis magnetic electronic compass module is designed for lowfield magnetic sensing with a digital interface and it is perfect to give precise heading information.
I mounted the compass module to a small breadboard so that i could move it around independent of the rest of the setup. Tutorial to interface hmc5883l compass sensor with arduino. Sending gps and compass information to hardware serial. A magnetometer can sense where the strongest magnetic force is coming from, generally used to detect magnetic north. Magnetoresistive sensors work by the magnetoresistance property of a material. Components one arduino compatible board i use arduino nano, because i have one, but any other will be just fine. As these two arduino boards are 5v devices, and the compass module is a 3. We make a formal apology for leading this inconvenient to you. This is a simple sketch to test out the hmc5883l based digital compass for potential inclusion in the rov project. Magnetic sources near by, chassis of the robot, not to mention the earths magnetic field distribution all affects the compass module. In this tutorial, i will show you how easy it is to program arduino to use hmc5883l compass with visuino an easy to use graphical development environment for arduino. We would like to show you a description here but the site wont allow us.
Connecting the compass module to the arduino analog outputs. Mar 24, 2017 hmc5883l 3axis compass module arduino interface. This spin object is a driver for the hm55b compass module and similar digital compass modules listed below and was authored by beau schwabe from parallax inc. In this post, youll find code samples for using hm55b compass module from parallax with arduino and processing. Robot compass the robot has an onboard compass module, with which it can tell the direction the robot is facing. The parallax compass is a dualaxis magnetic field sensor built around the hitachi hm55b. Ah, if only you had this tripleaxis magnetometer compass module. This compact sensor fits into small projects such as uavs and robot navigation systems. This tutorial will get you started on using this sensor, with code and wiring diagrams.
Compared against a standard compass, the outofthebox calibration is quite good. At present the rov pilot has only their own spacial sense and the video feed to determine where they are and which way theyre facing. Beware, magnets will interfere with the compass readings. In this follow up tutorial, we will build an electronic compass using an arduino, the hmc5883l module and a rgb ws2812 ring of 16 leds check out our tutorials page at. With the arduino set up this way you can attach many third party gps software packages. This is a breakout board for honeywells hmc5883l, a 3axis magnetometer. The sensing device on the compass module is a hitachi hm55b chip. Mar 01, 2009 the ports library described in recent posts works fine with any type of arduino, freeduino, etc not just jeenodes.