Mikroelektronika d.o.o.
Druck 17 Click Board
Druck 17 Click Board
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Das Pressure 17 Click Board™ ist eine kompakte Zusatzplatine, die einen Drucksensor für die Platinenmontage enthält. Diese Platine verfügt über den BM1390GLV-Z, einen hochpräzisen piezoresistiven Drucksensor von Rohm Semiconductor. Das BM1390GLV-Z verfügt über eine konfigurierbare Hostschnittstelle, die serielle I2C-Kommunikation unterstützt und Druck in einem Bereich von 300 hPa bis 1300 hPa mit einer Genauigkeit von ±1 hPa misst. Es verfügt außerdem über eine integrierte Temperaturkompensationsfunktion, die intern eine Temperaturkompensation für MEMS im Chip durchführt, sodass Druckinformationen einfach abgerufen werden können, integriertes FIFO und Betrieb in einem Temperaturbereich von -40 °C bis 85 °C, was einen stabilen Betrieb unter extremen Bedingungen gewährleistet. Dieses Click Board™ ist für Druckmessungen in Automobilanwendungen, Industrie- und Verbraucheranwendungen geeignet.
Das Pressure 17 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ wird als vollständig getestetes Produkt geliefert und ist bereit für den Einsatz auf einem System, das mit der mikroBUS™-Buchse ausgestattet ist.
How Does The Pressure 17 Click Board™ Work?
The Pressure 17 Click Board™ as its foundation uses the BM1390GLV-Z, ultra-compact piezoresistive pressure sensor from Rohm Semiconductor. This MEMS-based absolute pressure sensor includes a sensing element, analog to digital converter, signal processing part, and digital interface that sends the digital pressure data to the host controller. The MEMS-based sensing element measures pressure in a range from 300hPa up to 1300hPa with an accuracy of ±1hPa over a wide operating temperature range at the industry's lowest power.
It also has a built-in temperature compensation function that internally performs temperature compensation for MEMS inside the chip, so it's easy to get pressure information, built-in FIFO, and operation in a temperature range of -40°C to 85°C, which ensures stable operation under extreme conditions.
The Pressure 17 Click Board™ communicates with MCU using the standard I2C 2-Wire interface to read data and configure settings, supporting Standard Mode operation with a clock frequency of 100kHz and Fast Mode up to 400kHz. It also possesses an additional interrupt signal, routed on the INT pin of the mikroBUS™ socket labelled as INT, indicating when a specific interrupt event occurs.
This Click board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Pressure |
| Applications | The Pressure 17 Click Board™ be used for pressure measurements in automotive applications, industrial and consumer applications |
| On-board modules | BM1390GLV-Z - ultra-compact piezoresistive pressure sensor from Rohm Semiconductor |
| Key Features | Low power consumption, high precision, MEMS based piezo-resistive sensing principle, built-in temperature compensation function, interrupt feature, and more |
| 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 of the Pressure 17 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | INT | 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 |
PRESSURE 17 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.3 | - | V |
| Operating Pressure Range | 300 | - | 1300 | hPa |
| Absolute Pressure Accuracy | - | ±1 | - | hPa |
| Operating Temperature Range | -40 | +25 | +85 | °C |
Software Support
We provide a library for the Pressure 17 Click Board™ as well as 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 MikroE Github account.
Library Description
This library contains API for the Pressure 17 Click Board™ driver.
Key functions
-
pressure17_get_int_pinThis function returns the INT pin logic state. -
pressure17_read_dataThis function checks if the data is ready and then reads the pressure and temperature raw data and converts them to millibar and Celsius respectfully. -
pressure17_write_registerThis function writes a data byte to the selected register by using I2C serial interface.
Example Description
This example demonstrates the use of the Pressure 17 Click Board™ by reading and displaying the pressure and temperature data.
void application_task ( void )
{
if ( !pressure17_get_int_pin ( &pressure17 ) )
{
float pressure, temperature;
if ( PRESSURE17_OK == pressure17_read_data ( &pressure17, &pressure, &temperature ) )
{
log_printf ( &logger, " Pressure: %.2f mbarrn Temperature: %.2f Crnn", pressure, temperature );
}
}
}
The full 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 MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.Pressure17
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. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The Pressure 17 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.
Druck 17 Click Board
Frequently Asked Questions
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