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mikroSDK Library

Ozone 2 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.21

mikroSDK Library: 2.0.0.0

Category: Gas

Downloaded: 478 times

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License: MIT license  

Ozone 2 Click is an Ozone detection (O3) sensor, based on the MQ131 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ozone.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Ozone 2 Click

Ozone 2 Click is an Ozone detection (O3) sensor, based on the MQ131 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ozone.

ozone2_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : SPI type

Software Support

We provide a library for the Ozone2 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Ozone2 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void ozone2_cfg_setup ( ozone2_cfg_t *cfg );

  • Initialization function.

    OZONE2_RETVAL ozone2_init ( ozone2_t ctx, ozone2_cfg_t cfg );

  • Click Default Configuration function.

    void ozone2_default_cfg ( ozone2_t *ctx );

Example key functions :

  • Function reads from MCP 3351 ADC and returns 32 bit read value.

    uint32_t ozone2_read ( ozone2_t *ctx );

Examples Description

This example reads data from the MCP 3351 sensor.

The demo application is composed of two sections :

Application Init

Driver initialization.


void application_init ( void )
{
    log_cfg_t log_cfg;
    ozone2_cfg_t cfg;

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, "---- Application Init ----" );

    //  Click initialization.

    ozone2_cfg_setup( &cfg );
    OZONE2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    ozone2_init( &ozone2, &cfg );
}

Application Task

Reading ADC value and displaying it via UART.


void application_task ( void )
{
    read_value = ozone2_read( &ozone2 );
    log_printf( &logger, "Read Value: %u\r\n", read_value);

    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Ozone2

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.


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