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Diff Press click
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Author: MikroElektronika Team
Last Updated: 2018-11-23
Category: Measurement
Downloaded: 14 times
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Diff Press Click is an accurate pressure sensor Click board capable of measuring differential pressure. This Click board utilizes a very precise differential pressure sensor from NXP, labeled as MPXV7007DP.
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Library Description
The library contains a function for setting a reference output voltage which can be 1030mV, 2046mv, 3070mV or 4096mV.
Key functions:
uint16_t diffpress_getAdcData( void )- reads raw ADC data from devicefloat diffpress_getPressureDifference( void )- calculates pressure difference from raw ADC data
Examples description
The application is composed of the three sections :
- System Initialization - Initializes LOG and I2C
- Application Initialization - Initializes I2C driver
- Application Task - Logs pressure difference
void applicationTask( )
{
pressureDifference = diffpress_getPressureDifference( );
FloatToStr( pressureDifference, text );
mikrobus_logWrite( "pressure difference : ", _LOG_TEXT );
mikrobus_logWrite( text, _LOG_TEXT );
mikrobus_logWrite( " kPa", _LOG_LINE );
Delay_ms(100);
}
Other mikroE Libraries used in the example:
I2CUARTConversions
Additional notes and information
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.