Ultra-Low Press Click Board
Ultra-Low Press Click Board
The Ultra-Low Press Click Board™ is a compact add-on board containing a mountable gauge pressure sensor for pneumatic pressure measurements. This board features the SM8436, an I2C configurable ultra-low pressure sensor with high accuracy and long-term stability from Silicon Microstructure SMI ( part of TE Connectivity ). A state-of-the-art MEMS pressure transducer technology and CMOS mixed signal processing technology produces a digital, fully conditioned, multi-order pressure and temperature compensated sensor like this available in a gage pressure configuration. It also features superior sensitivity needed for ultra-low pressure measurements ranging from 0 to 250Pa Differential / 500 Pa Gauge.
The Ultra-Low Press Click Board™ is suitable for differential pressure measurements found in pressure monitoring applications like building Fire safety systems, Isolation rooms and high purity work stations, and positive pressure solutions found in Hospital surgical environments.
Software Support
We provide a library for the Ultra-Low Press Click Board™ and a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on the MikroE Github account.
Library Description
This library contains API for the Ultra-Low Press Click Board™ driver.
Key Functions
ultralowpress_cfg_setup
- Config Object Initialization function.ultralowpress_init
- Initialization function.
Example Description
This application reads the serial number of the sensor. If there were no errors, it continues reading temperature and pressure data from the sensor.
void application_task ( void ) { if ( ultralowpress_ready_to_read( &ultralowpress ) ) { ultralowpress_clear_status( &ultralowpress ); float temp = ultralowpress_get_temp( &ultralowpress ); float press = ultralowpress_get_press( &ultralowpress ); log_printf( &logger, " > Temperature[ C ]: %.2frn > Pressure[ Pa ]: %.2frn", temp, press ); } Delay_ms( 100 ); }
The complete application code and ready-to-use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on the MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.UltraLowPress
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click Board™ or RS232 Click Board™ to connect to your PC for development systems with no UART to the USB interface of 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 Ultra-Low Press 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.
Ultra-Low Press Click Board
Frequently Asked Questions
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