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MikroElektronika

6DOF IMU 7 Click

6DOF IMU 7 Click

SKU:MIKROE-3776

Regular price Rs. 1,689.00
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6DOF IMU 7 Click is an advanced 6-axis motion tracking Click board™, which utilizes the ICM-20649, a high-performance integrated motion sensor, equipped with a 3-axis gyroscope, and a 3-axis accelerometer. There is a MEMS structure hermetically sealed and bonded at wafer level. Data streams from each axis are fed to a signal processing engine, offering calibrated readings of each axis over the I2C interface. This Click board™ represents an ideal solution for development applications in sports, wearable sensors and high impact applications.

6DOF IMU 7 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.

HOW DOES IT WORK?

6DOF IMU 7 click is based on the ICM-20649, a high-performance, 6-axis MEMS MotionTracking™ IC from TDK Invensense. It is an advanced, integrated microelectromechanical gyroscope and accelerometer sensor (MEMS). This allows very high integration and very small dimensions, at an affordable cost. The IC contains a MEMS structure hermetically sealed and bonded at wafer level. The ICM-20649 is the world’s first wide-range 6-axis MotionTracking device for Sports and other High Impact applications. It is available in a 3x3x0.9 mm 24-pin QFN package.

Shop Click Boards Sensors 6DOF IMU 7 Click

Many of today’s wearable and sports solutions, which analyze the motion of a user’s golf or tennis swings, soccer ball kicks, or basketball activities, require higher than currently available ±2000 dps (degrees per second) FSR for gyroscope and ±16g FSR for accelerometer to better insure that critical data is not lost at the point of high impact or high speed rotation. The ICM-20649 - 6-axis inertial sensor used on the 6DOF IMU 7 click offers the smallest size, lowest profile and lowest power in conjunction with industry leading high FSR. With an extended FSR range of ±4000 dps for gyroscope and ±30g for accelerometer, it enables precise analysis of contact sports applications providing continuous motion sensor data before, during and after impact providing more accurate feedback.

ICM-20649 devices, with their 6-axis integration, on-chip DMP, and run-time calibration firmware, enable manufacturers to eliminate the costly and complex selection, qualification, and system level integration of discrete devices, guaranteeing optimal motion performance for consumers. The gyroscope has a programmable full-scale range up to ±4000 dps. The accelerometer has a user-programmable accelerometer full-scale range up to ±30g. Factory-calibrated initial sensitivity of both sensors reduces production-line calibration requirements. Other key features include on-chip 16-bit ADCs, programmable digital filters, an embedded temperature sensor, and programmable interrupts.

The embedded Digital Motion Processor (DMP) within the ICM-20649 offloads computation of motion processing algorithms from the host processor. The DMP acquires data from accelerometers, gyroscopes, and additional third party sensors such as magnetometers, and processes the data. The resulting data can be read from the 512 bytes FIFO that is accessible via the I2C Serial Interface. The FIFO configuration register determines which data is written into the FIFO. The interrupt function may be used to determine when new data is available.

SPECIFICATIONS

Type Motion
Applications It is a perfect solution for development of different types of motion detection and MotionTracking™ applications: sports, wearable sensors and high impact applications
On-board modules ICM-20649, a high-performance, 6-axis MEMS MotionTracking™ IC from TDK Invensense.
Key Features MEMS structure hermetically sealed and bonded at wafer level, 512-byte FIFO buffer enables the applications processor to read the data in bursts • On-Chip 16-bit ADCs and Programmable Filters
Interface I2C
Compatibility mikroBUS
Click board size S (28.6 x 25.4 mm)
Input Voltage 3.3V

PINOUT DIAGRAM

This table shows how the pinout on 6DOF IMU 7 Click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin Mikrobus logo.png Pin Notes
NC 1 AN PWM 16 INT2 External Sync
NC 2 RST INT 15 INT1 Interrupt
NC 3 CS RX 14 NC
NC 4 SCK TX 13 NC
NC 5 MISO SCL 12 SCL I2C Clock
NC 6 MOSI SDA 11 SDA I2C Data
Power Supply 3.3V 7 3.3V 5V 10 NC
Ground GND 8 GND GND 9 GND Ground

ONBOARD SETTINGS AND INDICATORS

Label Name Default Description
LD1 PWR - Power LED Indicator
JP1 ADD SEL Left Slave I2C address LSB selection: left position 0, right position 1

SOFTWARE SUPPORT

We provide a library for the 6DOF IMU 7 Click on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Library Description

The library covers all the necessary functions that enables the usage of the 6DOF IMU 7 Click board. It initializes and defines the I2C bus driver and drivers that offer a plethora of settings. The library also offers functions that allow reading of accelerometer,gyroscope and dye temperature, as well as generic read and write function that offer reading( and writing) of different lenghts of data(byte, word or user defined number of bytes).

Key functions:

  • void c6dofimu7_Gyroscope( float *xGyro, float *yGyro, float *zGyro, float gyroSens ) - Function is used to get angular momentum.
  • void c6dofimu7_Accelerometer( float *xAccel, float *yAccel, float *zAccel, float accelSens ) - Function is used to get acceleration measurement.
  • float c6dofimu7_getTemperatureC( float tempSens, float tempOffset ) - Function is used to get temperature in degree.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes I2C module, LOG and GPIO structures, sets INT and PWM pins as input.
  • Application Initialization - Initalizes I2C driver, applies default setup and writes an initial log.
  • Application Task - (code snippet)This example demonstrates the use of 6DOF IMU 7 Click board. It calculates angular momentum, acceleration measurement and temperature in degree Centigrade. Results are displayed on USART terminal.
void applicationTask()
{
c6dofimu7_Gyroscope( &xGyro, &yGyro, &zGyro, gyroSens );

FloatToStr( xGyro, logTxt );
mikrobus_logWrite( "X angular rate: ", _LOG_LINE );
Ltrim( logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );

FloatToStr( yGyro, logTxt );
mikrobus_logWrite( "Y angular rate: ", _LOG_LINE );
Ltrim( logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );

FloatToStr( zGyro, logTxt );
mikrobus_logWrite( "Z angular rate: ", _LOG_LINE );
Ltrim( logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );
mikrobus_logWrite( "---------------------", _LOG_LINE );

c6dofimu7_Accelerometer( &xAccel, &yAccel, &zAccel, accelSens );

FloatToStr( xAccel, logTxt );
mikrobus_logWrite( "X acceleration rate: ", _LOG_LINE );
Ltrim( logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );

FloatToStr( yAccel, logTxt );
mikrobus_logWrite( "Y acceleration rate: ", _LOG_LINE );
Ltrim( logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );

mikrobus_logWrite( "Z acceleration rate: ", _LOG_LINE );
Ltrim( logTxt );
FloatToStr( zAccel, logTxt );
mikrobus_logWrite( logTxt, _LOG_LINE );
mikrobus_logWrite( "---------------------", _LOG_LINE );

temperature = c6dofimu7_getTemperatureC( tempSens, tempOffset );

mikrobus_logWrite( "Temperature: ", _LOG_LINE );
Ltrim( logTxt );
FloatToStr( temperature, logTxt );
mikrobus_logWrite( logTxt, _LOG_TEXT );
mikrobus_logWrite( degCel, _LOG_LINE );
mikrobus_logWrite( "---------------------", _LOG_LINE );

Delay_ms( 1000 );
}


The full application code, and ready to use projects can be found on our LibStock page.

Other mikroE Libraries used in the example:

  • I2C
  • UART
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

MIKROSDK

This Click board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.

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