Eligibility:

• Lsm303dlhc wiring. Leave a the last few inches as a tail on the back side of the fabric. QT Cable is not included, but we have a variety in the shop. It has a selectable linear acceleration full scale range of ±2g / ±4g / ± Oct 22, 2013 · Using Arduino Sensors. 6 Volts. Features. This sample application periodically reads magnetometer and accelerometer data from the LSM303DLHC eCompass module’s sensors, and displays the sensor data on the console. Usually when I see such large number spikes, I worry there is a type mismatch in the header files of the library, is there anything I can check into to find out why the values are so large and erratic? Nov 29, 2013 · Adafruit's 10DOF (10 Degrees of Freedom) breakout board allows you to capture ten (err, eleven!) distinct types of motion or orientation related data. h; The Wire. With the add-on, you can read measured acceleration in meter per second squared and magnetic field strength in microtesla. LSM303. The LSM303 Triple-axis Accelerometer+Magnetometer (Compass) Module is a cost-effective board, which is used to detect direction using Accelerometer & with the help of a Magnetometer, we can detect magnetic north. 6 / ±8. This method uses a simple sketch to record the minimum and maximum readings on all 3 axis. standard mode and fast mode. STM32Cube is an STMicroelectronics original initiative to ease the developers life by reducing efforts, time and cost. Press the USER button to enable the ST MEMS gyroscope. Demo code on github: https://github. 25 Hz on LSM303D). The LSM303C has linear acceleration full scales of ±2 g / ±4 g / ±8 g and a magnetic field full scale of ±16 gauss. This compact sensor uses I²C to communicate and it LSM303DLHC Full Driver: Readings For Acc, Mag and Temp; Class Method for frequently-used 13 sensor parameters; Class Method to direct modify registers; Support Calibration (offset scale); This is information on a product in full production. Skip to Main Content +49 (0)89 520 462 110 The LSM303DLHC is a system-in -package. You have it flipped. All full-scales available are fully selectable by the user. Step 2: Refer to How to install library to install library for Arduino. h should come with the standard distribution and the rest can be picked up on GitHub. The adventurous of spirit may consult the datasheet and give Connect the STM32F3DISCOVERY board to a PC with a USB cable Type-A or USB Type-C® to Mini-B through the USB ST-LINK or USB USER connector to power the board. There was a problem with the wire. Mar 10, 2013 · INTM - The interrupt pin for the magnetometer. Mar 8, 2024 · Wiring with Conductive Thread Bring your needle through the back of the fabric to the front next to the GND pad on your Flora. Ultra-compact high-performance eCompass module: 3D accelerometer and 3D magnetometer. Datasheet -production data. The LSM303DLH is a 5 x 5 x 1 mm with LGA-28L package IC chip that includes a 3D digital linear acceleration and a 3D digital magnetic sensor. With just the above formula, we will get the heading between the values -180 to 180. Power supply: 3-5v (internal low voltage regulator). 0 / ±4. - Selects 50 Hz ODR (output data rate) for accelerometer and 7. 3 to ±8. 's Part No: LSM303DLHC: LSM303AHTR: Manufacturer: STMicroelectronics: STMicroelectronics: Description: Accelerometers E-compass 3D accel & 3D magnetometer mod. ST is enabling more accurate personal navigation and tracking for fitness and similar apps, with a new all-in-one eCompass IC; Advanced magnetic-sensing and MEMS technologies enable benchmark accuracy, with superior stability, power-saving and integration {"payload":{"allShortcutsEnabled":false,"fileTree":{"Arduino":{"items":[{"name":"LSM303DLHC. 5 Hz ODR for magnetometer (6. This page (Downloads and Links) was last updated on Mar 08, 2024. The LSM303DLHC is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. available() function Also: - Sets sensor full scales (gain) to default power-on values, which are +/- 2 g for accelerometer and +/- 1. Wiring Diagram. The module includes a voltage regulator The Pololu MinIMU-9 v2 is an inertial measurement unit (IMU) that packs an L3GD20 3-axis gyro and an LSM303DLHC 3-axis accelerometer and 3-axis magnetometer onto a tiny 0. LSM303DLHC has linear acceleration full-scales / ±16g and a magnetic field fullscale of gauss. The Arduino Due's wire library does not allow the init() method to be called without specifying what breakout board you Beaglebone and LSM303DLHC sensor example in Python. Until now my interrupt signal is on interrupt all the time, even when I just start the system. 6 /. 3 / ±1. Mar 5, 2015 · I've tried inserting a few print in the libraries to understand where the execution stops, basically after a Wire. The eight LED indicators blink sequentially. Text editor powered by tinymce. (it is very odd that the data across all axis is the same) Also, this data is always changing between the stated values even at rest. An I²C interface accesses nine independent rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s absolute orientation. 3 magnetic field channels and 3 acceleration channels ±2/±4/±8/±12 gauss magnetic full scale ±2/±4/±6/±8/±16 glinear acceleration full scale 16-bit data output SPI / I2C serial interfaces Analog supply Jun 6, 2020 · I am trying to use an LSM303DLHC as a compass, but I the readings are not correct. The six independent readings, whose sensitivities can be set in the ranges of ±2 to ±16 g and ±2 to ±12 gauss, are available through I²C and SPI interfaces. Sep 26, 2016 · Testing an LSM303DLHC 3-axis Accelerometer and Magnetometer w/ Arduino building a digital compass. 3 days ago · 511-LSM303DLHC 511-LSM303AHTR Mfr. The GY-511 module uses the LSM303DLHC chip to detect and direct magnetic fields. The magnetic field data seems to be correct as each axis has it’s own value Unified sensor driver for Adafruit's LSM303 Breakout (Accelerometer + Magnetometer) - adafruit/Adafruit_LSM303DLHC Order today, ships today. How can I connect the accelerometer using I2C? The LSM303DLHC is a digital 3 axis accelerometer and 3 axis magnetometer with an I2C interface. Jun 9, 2020 · The main Triple-axis Accelerometer+Magnetometer (Compass) IC is LSM303DLHC. MB1115D – I3G4250D 3-axis gyroscope – LSM303AGR e-compass – IMP34DT05 digital MEMS microphone 32XXYYZDISCOVERY Description Example: 32F411EDISCOVERY 32XX MCU series in STM32 32-bit Arm Cortex MCUs STM32F4 Series YY MCU product line in the series STM32F411 Z LSM303D. The cookie is used to store the user consent for the cookies in the category "Analytics". It is a three-channeled accelerometer and magnetometer. (I am specifically concerned that your graphs seem to show values in the ranges of 0 to 65535 or -32768 to 32767, since the readings from the magnetometer should only fall in Check out the links above for our tutorials and wiring diagrams. endTrasmission () the program doesn't go forward. Read the documentation. LSM303DLHC has linear a cceleration full-scales. 16 – 3. You can download the LSM303DLHC chip datasheet here. Step 3: Create a new Arduino sketch and paste the codes below to it or open the code directly by the path: File -> Example ->Accelerometer_Compass->Accelerometer_Compass. While running the sketch, slowly rotate the LSM303 module multiple times in all three axis. Aug 28, 2019 · magnetic compass program for Balboa by S. x and y from the demo files, sent to serial, they seem to be bouncing quickly between about 28000 and 0 when it is sitting still. In understand the concept of how calibration works, you just reset the limits to the highest and lowest value given, but i've hit a bit of a snag. CSA - The accelerometer's CS pin. f eatur ing a 3D digital lin ear acceleration sensor. Author: Pololu. The device has a bit,D4D_INT1. This chip uses I2C to communicate, 2 pins are required to interface. 3 V voltage regulator and integrated level Wire. 5″ board. ‘-lm’. The system can be configured to generate interrupt Mar 8, 2024 · LIN2 - Interrupt pin 2 on the LSM303DLHC LRDY- The ready pin on the LSM303DLHC These pins are all outputs from the 10-DOF breakout and are all 3. Mar 5, 2015 · Make sure the connection is correct between the sensor and Arduino, then make sure that the script doesn’t get stuck when the Wire is begun. Another thing that you need to make sure, is to have the correct address, it depends from board and each one can have a different one or a selector. We based this breakout on the latest version of this popular sensor, the LSM303DLHC. It's fully assembled and tested. float B { -270. 14}; The LSM303D combines a digital 3-axis accelerometer and 3-axis magnetometer into a single package that is ideal for making a tilt-compensated compass. Mar 10, 2013 · Simplified Calibration: A simpler method that still generates good results can be accomplished on the Arduino. The communication protocol of this module is I2C and you can connect it to different processors including Arduino boards using SCL and SDA pins. The LSM303DLHC includes an I2C serial bus Contents LSM303AGR 2/72 DocID027765 Rev 11 Contents 1 Block diagram and pin description . This library is for the LSM303DLH's magnetometer, and is based on Adafruit's Unified Sensor Library (Adafruit_Sensor). Beaglebone and LSM303DLHC sensor example in Python. 5 / ±4. Stitch a few times around the GND pad and end on the back side of the fabric. 511-LSM303DLHC 511-LSM303AHTR Mfr. Obsolete. 3V3 Setup Mar 31, 2014 · So, I'm trying to get my Due to connect to an LSM303DLHC. Accelerometers e-Compass: 3D digital accelerometer, 3D digital magnetometer Lifecycle: @brief Abstract away platform differences in Arduino wire library void Adafruit_LSM303_Mag_Unified::write8(byte address, byte reg, byte value) Wire. 24,-1958. The LSM303DLHC has linear acceleration full scales of ±2g / ±4g / ±8g / ±16g and a […] Is the TC275 compatible with any LSM303DLHC accelerometer shield boards? …. LSM303DLHC – Accelerometer, Magnetometer, 6 Axis Sensor I²C Output from STMicroelectronics. Hello! I was wondering how I would go about calibrating an lsm303dlhc sensor. All full-scales available are fully 511-LSM303DLHC 511-LSM303AHTR Mfr. Accelerometers e-Compass: 3D digital accelerometer, 3D digital magnetometer Lifecycle: Mar 8, 2024 · LIN1 - Interrupt pin 1 on the LSM303DLHC LIN2 - Interrupt pin 2 on the LSM303DLHC LRDY- The ready pin on the LSM303DLHC These pins are all outputs from the 9-DOF breakout and are all 3. It has a 6D/4D orientation detection. 3V logic, you can use them with 5V or 3V as 3. To get the data in m/s^2 I used the library AdafruitLSM303DLHC . I am not sure if the problem is with my setup or the math. 3V max chip, we added circuitry to make it 5V-safe logic and power, for easy use with either 3 or 5V microcontrollers. To download. . 9 / ±2. Since it's a 3. For other platforms, please visit the guide for CircuitPython on Linux to see whether your platform is supported. 3V registers 'high' on 5V systems. I have a STM32F3-discovery board, and I have set up a little test. 3 gauss for magnetometer (+/- 4 gauss on LSM303D). LSM303DLHC Dec 30, 2012 · To connect I2C devices, you actually need to connect SCL to SCL and SDA to SDA. Jan 27, 2020 · I've had problems getting a LSM accelerometer running on my Due, I think I've found solutions and questions. Notes: The Sketch is built to run one of three different modes depending upon which switch is closed by a magnet. Pin Assignment (LSM303DLHC : DUE) SCL:SCL SDA:SDA VIN:3. Octopart is the world's source for LSM303DLHC availability, pricing, and technical specs and other electronic parts. The LSM303C includes an I2C serial bus interface that supports standard and fast mode (100 kHz and 400 kHz Oct 20, 2020 · 功能 LSM303DLHC是一个具有3D数字线性加速度和3D数字磁场检测传感器。. I'm using the SCL1 and SDA1 port. 10 Adafruit Industries, Unique & fun DIY electronics and kits Adafruit 9-DOF IMU Breakout - L3GD20H + LSM303 : ID 1714 - This inertial-measurement-unit combines 2 of the best quality sensors available on the market to give you 9 axes of data: 3 axes of accelerometer data, 3 axes gyroscopic, and 3 axes magnetic (compass). heading = 180 * atan2(magRawY,magRawX)/M_PI; You will need to include the math header file in your program, math. LSM303DLHC has linear acceleration full-scales of ±2g / ±4g / ±8g / ±16g and a magnetic field full scale of ±1. Step 4: Upload the following code. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 1 gauss. I have the LSM303 attached to a Stepper motor. 1 Mar 24, 2013 · I'm having trouble trying to set my LSM303DLHC as a tilt compensated compass. The Pololu MinIMU-9 v2 is an inertial measurement unit (IMU) that packs an L3GD20 3-axis gyro and an LSM303DLHC 3-axis accelerometer and 3-axis magnetometer onto a tiny 0. Firstly, I looked at the official tutorial that involved a using a servo motor. 2014-10-08 12:04 AM. Simply connect VCC to +3-5V and ground to ground. LSM303DLHC includes an I2C serial bus interface that supports standard and fast mode 100 kHz and 400kHz. The LSM303DLHC has linear acceleration full scales of ±2g / ±4g / ±8g / ±16g and a magnetic field full scale of ±1. This wasn't what I had in mind so I followed it so far up until the calibration page, but got a little confused as there seems to be a sketch that lets you gather the mins and max's of all LSM303DLHC includes an I 2 C serial bus interface that supports standard and fast mode 100 kHz and 400kHz. magnetic. Making Tracks! This guide was first published on Mar 10, 2013. 本文以LSM303DLH为例讨论该器件的 工作原理 、技术参数和电子罗盘的实现方法。. Since there's dozens of Linux computers/boards you can use we will show wiring for Raspberry Pi. datasheet, inventory & pricing. The red LEDs LD1 (PWR) and LD2 (COM) light up. Accelerometers e-Compass: 3D digital accelerometer, 3D digital magnetometer Lifecycle: Just wire up to your favorite micro and you can use our CircuitPython/Python or Arduino drivers to easily interface with the LSM303 and get compass measurements ASAP. magnetic North for zero degrees heading. Remington. This compact sensor uses I2C to communicate and its very easy to use. The LSM303 is mounted horizontally, so the sensor chip is facing down. Tie the tail and the working thread into a square knot, tight against Apr 18, 2013 · I do not have an LSM303DLHC set up to easily allow me to capture data for you, but if you can show me what the data you captured looks like, that would also be helpful. 8″ × 0. 3 V voltage regulator and integrated level Mar 10, 2013 · In addition to being a physically smaller and easier to lose chip, there are a few other difference as well. This LSM303 carrier board includes a 3. LSM303 can work in two modes i. After testing a lot of combinations of sensors, we settled on the following devices that we think offer the best results and the least amount of hassle: LSM303DLHC - a 3-axis accelerometer (up to Adafruit Industries, Unique & fun DIY electronics and kits Adafruit 10-DOF IMU Breakout - L3GD20H + LSM303 + BMP180 : ID 1604 - This inertial-measurement-unit combines 3 of the best quality sensors available on the market to give you 11 axes of data: 3 axes of accelerometer data, 3 axes gyroscopic, 3 axes magnetic (compass), barometric pressure/altitude and temperature. It was last updated on May 28, 2024. Mar 5, 2013 · I am interfacing with the LSM303DLHC and the data for the linear acceleration does not seem to be correct. and a 3D digital magnet ic sensor. Find the best pricing for STMicroelectronics LSM303DLHC by comparing bulk discounts from 27 distributors. Button/switch 1 - Compass mode - Color of Neopixel changes depending on magnetic heading. \. Supported boards are LSM303D, LSM303DLHC 3 magnetic field channels and 3 acceleration channels ; ±50 gauss magnetic dynamic range ; ±2/±4/±8/±16 g selectable acceleration full scales The LSM303DLHC Board is an accessory board which features a 3D digital linear acceleration sensor and a 3D digital magnetic sensor, provides 16 bit data output via I2C interface. e. Adafruit invests time and resources providing this open source code, please support Unified sensor driver for Adafruit's LSM303 Breakout (Accelerometer + Magnetometer) - adafruit/Adafruit_LSM303DLHC The LSM303D is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. Sensors. LSM303DLHC STMicroelectronics Accelerometers E-compass 3D accel & 3D magnetometer mod. in the control register Oct 20, 2020 · 功能 LSM303DLHC是一个具有3D数字线性加速度和3D数字磁场检测传感器。. It uses I2C to communicate with the master (microcontroller). Communication method: Standard IIC communication protocol. Thanks! Admin Administrator. . This program assumes that a LIS3MDL Balboa is horizontal, with X pointing toward. GY-511 LSM303DLHC Module E-Compass 3 Axis Accelerometer + 3 Axis Magnetometer This module based on LSM303DLHC that is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. Tested and works great with the Adafruit's LSM303DLH Breakout Boards. This can be helpful to figure out what the wiring is The LSM303C is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. 74, 1821. This add-on library extends MATLAB Support Package for Arduino Hardware to read from LSM303 accelerometers and compasses. h and when compiling you will also need to link the math library. The chip itself exposes an interrupt pin for the magnetometer (INTM) (perhaps a feature of the new magnetometer sensor inside?) as well as chip select pins for both the accelerometer and magnetometer (CSA and CSM respectively). Arduino library for Pololu LSM303 boards. November 2018 DocID027766 Rev 7 1/82 LSM303AH Ultra-compact high-performance eCompass module: LSM303DLHC Ultra compact high performance e-compass 3D accelerometer and 3D magnetometer module LSM330DLC iNEMO inertial module: 3D accelerometer and 3D gyroscope Purpose and benefits Designing simple screen rotation control can be accomplished quite easily using the LIS3DH accelerometer. Here's the Raspberry Pi wired with I2C: Dec 17, 2019 · Step 1: Download the library from Github. 传感系统采用特殊的微机械加工工艺制造，同时集成电路接口采用CMOS Nov 3, 2017 · Name: LSM303DLHC module (three-axis magnetic field + three-axis acceleration), the chip built-in 12bit AD converter, 16-bit data output. Maintainer: Pololu. Apr 28, 2013 · For the event. The module includes a voltage regulator Nov 29, 2010 · 随着 微机 械工艺的成熟， 意法半导体 推出将三轴磁力计和三轴 加速计 集成在一个封装里的二合一传感器模块LSM303DLH，方便用户在短时间内设计出成本低、性能高的电子罗盘。. com FREE DELIVERY possible on eligible purchases Saved searches Use saved searches to filter your results more quickly STM32Cube MCU Full Package for the STM32L4 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST (Nucleo, Evaluation and Dis Oct 8, 2014 · LSM303DLHC drdy interrupt. The module requires low voltage ranging from 2. float x, y, z; // scaled and rotated vectors will have norm ~ 512 based on the example data. 7 / ±5. Aug 26, 2019 · Descriptions： Name: LSM303DLHC module( Three-axis magnetic field + triaxial accelerometer ) Chip built-in 12bit AD converter, 16-bit data output High quality Immersion Gold PCB, Welding machine quality assurance Using chips: LSM303DLHC Power supply: 3-5v ( internal low dropout regulator ) Dimensions: 14. What do you need? LSM303DLHC (GY-511) Microcontroller (I am using Arduino Uno, Atmega328p) Jumper wires; Breadboard; Lets Start. 5mm * 20. It has a full-scale acceleration range of ±2g to ±16g and full-scale magnetic field range of ±1. This is a library for an Arduino-compatible controller that interfaces with LSM303D, LSM303DLHC, LSM303DLM, and LSM303DLH 3D compass and accelerometer ICs on Pololu boards. The correct I/O wiring would be: LSM303DLHC SCL to ATmega328 PC5 LSM303DLHC SDA to ATmega328 PC4. 3V logic only. ino","contentType":"file"}],"totalCount":1 This application note describes the method for building a tilt compensated electronic compass using an LSM303DLH sensor module. The module is integrated with a temperature sensor and a first-in-first-out memory structure. The system can be configured to generate interrupt LGA-14. I'm running a Due, with an Adafruit data logger shield (with clock), and an Adafruit LSM303DLHC accelerometer/mag. 该系统包括特定的传感 元件 和能够测量的IC接口同时提供磁场的线性加速度外部世界通过一个I2C串行接口分离数字输出。. h; Adafruit_sensor. beginTransmission(address); Description. When reading the data on registers 28h to 2dh, the data is all 0, 64, or 192. 传感系统采用特殊的微机械加工工艺制造，同时集成电路接口采用CMOS Nov 13, 2017 · Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. The system can be configured to generate interrupt signals by inertial wake- up/free-fall events as well as by the position of the device itself. 's Part #: LSM303DLHC: LSM303AHTR: Manufacturer: STMicroelectronics: STMicroelectronics: Description: Accelerometers E-compass 3D accel & 3D magnetometer mod. The LSM303DLHC includes an I 2 C serial bus interface that supports standard and fast mode 100 kHz and 400 kHz. com/martinhj/compass The LSM303D combines a digital 3-axis accelerometer and 3-axis magnetometer into a single package that is ideal for making a tilt-compensated compass. 5mm Communication: IIC Apr 16, 2024 · This add-on is for use in R2019a or higher releases. STM32Cube covers the overall STM32 products portfolio. Also, for completeness, you will need to connect the GNDs together and to supply power to the compass’s VIN pin. Jul 24, 2014 · An impact on the sensor of the LSM303DLH should activate the whole system by setting the INT1 of the LSM303DLH to LOW and wake my Arduino which now makes a LED light. I am using the Compass example sketch from Adafruit. ±8. There is a range of examples and libraries for the various LSM303 variants. ino","path":"Arduino/LSM303DLHC. (These are the ODR settings for which the electrical characteristics Sep 15, 2016 · Features. It just captures ALL input on GPIO3 and count them by channel. Difficulty: Intermediate. I used the Adafruit LSM303DLH_Mag which had the correct I2C Nov 13, 2017 · Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. of ±2 g / ±4g / ±8g / ±16g and a magnetic field full-. CSM - The magnetometer's CS pin. 3V3 Setup If you are using an MCU or board with 3V3 logic (instead of the 5V logic used by the Dec 1, 2014 · 1. Mar 4, 2021 · LSM303DLHC is integrated 6-axis sensor that combines a 3-axis accelerometer and 3-axis magnetometer. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_LSM303. The system can be configured to generate interrupt signals by inertial wake-up/free-fall events as well as by the position of the device itself. The object is to record the absolute minimums and Mar 10, 2013 · Python Computer Wiring. Mar 8, 2024 · LSM303DLHC Schematic & Fabrication Print. Then every seconds, I have a breakpoint with which I look at the numbers, and reset them. We tested many Arduino library for AHRS (Attitude and Heading Reference System) for Adafruit motion sensors - adafruit/Adafruit_AHRS The LSM303DLHC includes an I2C serial bus interface that supports standard and fast mode 100 kHz and 400 kHz. May I can solve this. scale of ±1. 3V GND:GND I'm using the library downloaded from: GitHub - pololu/lsm303-arduino: Arduino library for Pololu LSM303 boards According to the read me / description. Please note that while the LSM303AGR breakout has CS pins, it only supports 3-wire SPI which we were not able to get working. The LSM303D is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. Aug 10, 2018 · Buy GY-511 LSM303DLHC E-Compass 3 Magnetometer And 3 Accelerometer Module - Arduino Compatible SCM & DIY Kits Module Board-1 x GY-511 LSM303DLHC E-Compass 3 Axis Magnetometer And 3 Axis Acceleromet: Acceleration Sensors - Amazon. The LSM303D has linear acceleration full scales of ±2g / ±4g / ±6g / ±8g / ±16g and a magnetic field full scale of ±2 / ±4 / ±8 / ±12 gauss. ,h; Adafruit_LSM303. Written by Kevin Townsend for Adafruit Industries. J. BSD license, all text above must be included in any redistribution. system October 22, 2013, 4:14am 1. I am getting a correct number of interrupt, according to ODR setup, for the on GY-511 3-Axis Accelerometer + Magnetometer Compass Module I2C Interface LSM303DLHC GY-511 เป็นโมดูลที่รวม เซนเซอร์วัดความเร่ง 3 แกน + เซนเซอร์วัดความเข้มสนามแม่เหล็ก โดยใช้ชิปรุ่น LSM303DLHC ส่ง – LSM303DLHC e-compass – MP45DT02 digital MEMS microphone(1) 1. I am not interessted in the value of the acceleration. if nf jv od iq jp ho sl ht zx