Trying work with hitachi hm55b compass module 20070928 10. Interfacing a hitachi hm55b compass module acme systems srl. The following section describing modes, was taken from the honeywell hmc5883l datasheet. A magnetometer can sense where the strongest magnetic force is coming from, generally used to detect magnetic north. This surfacemount, multichip module is designed for lowfield magnetic sensing for applications such as automotive and. These sensors are compass, accelerometer, ultrasonic distance sensor and odometry. The hardware for this, shown in the table at right, is not included but may be obtained from a local hardware store or ordered from step 1.
Interfacing a hitachi hm55b compass module written by antonio galea how to interface an electronic compass to the fox board in user space. Warning message the propeller object exchange system is decommissioned and replaced with a github repository to house the same existing and future propeller objects. The compass module has several modes that can be accessed from the i. The, cmps03 robot compass module this compass module has been specifically designed for use in robots, is facing. The hmc5883l includes our stateoftheart, highresolution hmc118x series magnetoresistive sensors plus an asic. The cmps10 produces a result of 03599 representing 0359. Each of the sensors has its own communication protocol, so there was created electrical module, which transforms each sensors communication to one type.
Pictures, ordering information, web link of the datasheet, ordering. Andy is preparing some educational documentation, and doug just designed a neat viewer utility for the sensor using delphi. Sensori, trasduttori sensori magneticibussola, campo. Communication with the hmc5883l is simple and all done through an i2c interface. Jak electronics can supply 29123 stock quantity,29123 price, dispatch in 24 hours.
Hm55b compass module tv and serial demo propeller object. All the command signals used here can be found in the datasheet. The compass module 3axis hmc5883l is a lowfield magnetic sensing. In this article we describe physical principles of typical sensors, which can be used for small mobile robot. References resources sources ccmaterials copyright notice entire contents 2014 by circuit cellar, inc. Hmc5883l compass with external magnet parallax forums. Threeaxis digital compass ic hmc5883l farnell element14. The hitachi hm55b compass module is a dualaxis magnetic field sensor that can add a sense of direction. Using hitachi hm55b compass module adafruit industries. So basically its about establishing i2c with the compass, send over a calibration signal, and then send an end of calibration signal when its done. The module includes a stateoftheart, highresolution qmc118x series magnetoresistive sensor, plus an asic containing amplification, automatic degaussing strap drivers, offset cancellation, and a 12bit adc that enables 1 to 2 compass heading accuracy. This surfacemount, multichip module is designed for lowfield magnetic sensing for applications such as automotive and personal navigation, vehicle detection, and pointing. Hello, doug and andy have really put the new hitachi hm55b compass module to good use in our office. Briefly press and release the switch, calibrating pin pin5 goes low.
Pdf sensor systems are very important in all kinds of robotics. According to the hm55b datasheet, the actual t value for. Product overview thanks for you choose our products. The hitachi hm55b compass module produced by parallax is a dualaxis magnetic field. May 12, 2020 ah, if only you had this tripleaxis magnetometer compass module. 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. The hm55b is designed to return a value of 1 for a north magnetic field of 1 t parallel to one of its axes. Each of the sensors has its own communication protocol, so there was created electrical module, which transforms each sensors communication. Digital compass solution hmc6352 the honeywell hmc6352 is a fully integrated compass module that combines 2axis magnetoresistive sensors with the required analog and digital support circuits, and algorithms for heading computation. Hm55b robot direction with compass 29123 compass sensor testhm55bcompass compass compass calibration hitachi hm55b compass sx28.
The hitachi hm55b compass module from the maker shed is a dualaxis magnetic field sensor based on the hitachi hm55b ic. The module works well and is easy to use with an arduino. Trying work with hitachi hm55b compass module microchip. Hm55b datasheetpdf list of unclassifed manufacturers. The compass points can be set in any order, but all four points must be calibrated. Usart and i2c bus are used for communication with master module. Items included rs 232 circuit card demo software and users manual cdrom rs 485 circuit card, users manual cd rom housed compass module rs232 demo software disk 1 and 2 users manual cd rom housed compass module rs485 users manual cd rom housed. The sensing device on the compass module is a hitachi hm55b chip. A pwm signal is available on pin 4, or an i2c interface is provided on pins 2,3.
Free graphical viewer for the hitachi hm55b compass module. Hm55b robot direction with compass 29123 compass sensor testhm55bcompass compass compass calibration hitachi hm55b compass sx28 text. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. This compact sensor fits into small projects such as uavs and robot navigation systems. P,india this is a breakout board for honeywells hmc5883l, a 3axis digital compass.
Program the basic stamp with the hm55b demo software. Hmr3000 datasheet digital compass module datasheet. The aim was to produce a unique number torepresent the direction the robot is facing. How to interface an electronic compass to the fox board in user space. The sensor converts any magnetic field to a differential voltage output on 3 axes. Honeywell, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Sensor systems are very important in all kinds of robotics. Optional hm55b compass module mounting instructions the parallax hm55b compass module may also be mounted on the bracket, on the backside. Im trying to read data from the electronic compass hm55b. Hm55b compass module reader for baby os avr freaks. Hitachi en4088z datasheet, cross reference, circuit and application notes in pdf format. Ultra compact high performance ecompa ss 3d accelerometer and 3d magnetometer module datasheet preliminary data features 3 magnetic field channels and 3 acceleration channels 24812 gauss dynamically selectable magnetic fullscale 246816 g dynamically selectable linear acceleration fullscale 16bit data output. Programming of sensors on arduinoboard with digital and. The sensing device on the compass module is a hitachi hm55b.
The hitachi hm55b chip on the hitachi hm55b compass module reports its x and y axis measurements in terms or microteslas t in 11bit signed values. We based this breakout on a popular and well loved magnetometer, the hmc5883l. Magnetic sensors compass, magnetic field modules, sensors, transducers, hmc6343, 24 items product. Adafruit hmc5883l breakout tripleaxis magnetometer compass. Sensor, transduser sensor magnetik kompas, bidang magnetik. Cmps03 robot compass module hobby engineering yumpu.
An onboard regulator and resistor protection make the 3 volt hm55b chip compatible with 5 volt. The compass uses the philips kmz51 magnetic field sensor, which is sensitive enough to detect theearths magnetic field. Jun 12, 2010 hm55b compass module reader for baby os. The hitachi hm55b compass module is a dualaxis magnetic field sensor that can add a sense of direction to your next electronic or robotic project. The output from two of them mounted at right angles to each other. The hitachi hm55b compass module is a low cost, dual axis magnetic. Magnetiske sensorer kompas, magnetfelt moduler yic. The compass module requires a 5v power supply at a nominal 25ma. Ah, if only you had this tripleaxis magnetometer compass module. I have read its datasheet and many codes and projects and now i feel myself ready for the battle. Gy271 electronic compass description the compass module is designed for lowfield magnetic sensing with a digital interface and perfect to give precise heading information. Threeaxis digital compass ic hmc5883l the honeywell hmc5883l is a surfacemount, multichip module designed for lowfield magnetic sensing with a digital interface for applications such as lowcost compassing and magnetometry. Adafruit hmc5883l breakout tripleaxis magnetometer. The hitachi hm55b compass module produced by parallax is a dualaxis magnetic field sensor, that is, the electronic equivalent of a traditional compass since it comes in a standard 6pin dip package and can be operated at 5v, interfacing it with our fox.
Magnetic sensors compass, magnetic field modules 29123 specifications. The output of the three sensors measuring x, y and z. Ultra compact high performance ecompass 3d accelerometer. Cmps03 robot compass modulethis compass module has been specifically designed for use in robots as an aid to navigation.
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. Doug and andy have really put the new hitachi hm55b compass module to good use in our office. Tom okay, looked at that datasheet and tried that calibration approach. This library should run a tiny little bit faster and waste a few precious bytes less. Its a great little module for sensing direction on your next robotics project. By combining the sensor elements, processing electronics, and firmware in to a 6. There are two ways of getting the bearing from the module. Sainsmart hmc5883l digital compass module 3 axis magneto resistive sensor board size. You can use this sensor with most micro controllers, including the arduino more about the hitachi compass module. You should find this quite simple to hook up and to program your micro controller.
Rbdev03 devantech cmps03 magnetic compass module ecse. Items included rs 232 circuit card demo software and users manual cdrom rs 485 circuit card, users manual cd rom housed compass module rs232 demo software disk 1 and 2 users manual cd rom housed. Hm bluetooth module datasheet last version v524 20140308 5 2. Immagine numero di parte descrizione datasheet produttori in stock quote. The hitachi hm55b compass module produced by parallax is a dualaxis magnetic field sensor, that is, the electronic equivalent of a traditional compass. If the magnetic field is south north in the opposite direction, the value will be 1. Mar 19, 2009 the hitachi hm55b compass module from the maker shed is a dualaxis magnetic field sensor based on the hitachi hm55b ic. I dont care for the white masking but that really is just a personal choice that doesnt effect the value or quality of this product. Optional hm55b compass module mounting instructions the parallax hm55b compass, step 1. According to the hm55b datasheet, the actual t value for a measurement of 1 could range anywhere from 1 to 1. Compass module, hm55b datasheet, hm55b circuit, hm55b data sheet. The compass uses the philips kmz51 magnetic field sensor, which is sensitive enough to, to the compass module the compass module requires a 5v power supply at a nominal 15ma. The compass module under consideration is hitachi hm55b, which is a dualaxis magnetic.
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