Mikroelektronika d.o.o.
3D Hall 2 Click Board
3D Hall 2 Click Board
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The 3D Hall 2 Click Board™ is a very accurate magnetic field sensing Click Board™, used to sense the magnetic field strength in three perpendicular axes. It relies on a TLV493D-A1B6, a low power 3D magnetic sensor from Infineon. This sensor has a separate Hall sensor for each axis, which allows a very reliable magnetic field sensing in 3D space, offering the basis for accurate angle calculations.
The TLV493D-A1B6 sensor uses an industry-standard I2C communication interface and requires a very low count of external components. The I2C interface is also used for the chip reset, so the sensor features a very low count of pins.
Software Support
We provide a library for the 3D Hall 2 Click Board™ 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 initializes and defines the I2C bus driver and drivers that offer a choice for writing data in the register and reads data from the register. The library includes functions for reading hall X/Y/Z axis data, and temperature data.
Key Functions
void c3dhall2_getAxisTempData(float *axisData, float *tempData)- Functions for gets Hall axis data and Temperature data
void c3dhall2_configuration(uint8_t settings1, uint8_t settings2)- Functions for settings chip for measurement
Example Description
The application is composed of three sections :
- System Initialization - Initializes I2C module
- Application Initialization - Initialization driver init and configuration chip
- Application Task - (code snippet) - Reads X/Y/Z hall axis and Temperature data. All data logs on the USB-UART every 3 sec.
void applicationTask()
{
c3dhall2_getAxisTempData(&XYZ_Axis[0], &Temperature);
mikrobus_logWrite("Axis X: ", _LOG_TEXT);
FloatToStr(XYZ_Axis[0],demoText);
mikrobus_logWrite(demoText, _LOG_TEXT);
mikrobus_logWrite(" mT", _LOG_LINE);
mikrobus_logWrite("Axis Y: ", _LOG_TEXT);
FloatToStr(XYZ_Axis[1],demoText);
mikrobus_logWrite(demoText, _LOG_TEXT);
mikrobus_logWrite(" mT", _LOG_LINE);
mikrobus_logWrite("Axis Z: ", _LOG_TEXT);
FloatToStr(XYZ_Axis[2],demoText);
mikrobus_logWrite(demoText, _LOG_TEXT);
mikrobus_logWrite(" mT", _LOG_LINE);
mikrobus_logWrite("Temperature :", _LOG_TEXT);
FloatToStr(Temperature,demoText);
mikrobus_logWrite(demoText, _LOG_TEXT);
mikrobus_logWrite(" C", _LOG_LINE);
mikrobus_logWrite(" ", _LOG_LINE);
Delay_ms(3000);
}
The full application code, and ready to use projects can be found on our LibStock page.
Other mikroE Libraries used in the example:
- I2C
Additional Notes and Information
Depending on the development board you are using, you may need a 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
The 3D Hall 2 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.
3D Hall 2 Click Board
Frequently Asked Questions
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