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mikroSDK Library

Alcohol Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.14

mikroSDK Library: 2.0.0.0

Category: Gas

Downloaded: 193 times

Not followed.

License: MIT license  

Alcohol Click has a high sensitivity to alcohol and it can be used to detect alcohol in concentrations from 0.04 to 4mg/l.Alcohol Click carries an MQ-3 Semiconductor sensor for alcohol. The Click is designed to run on a 5V power supply only. It communicates with the target microcontroller through the AN pin on the mikroBUS™ line.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Alcohol Click

Alcohol Click has a high sensitivity to alcohol and it can be used to detect alcohol in concentrations from 0.04 to 4mg/l.

Alcohol Click carries an MQ-3 Semiconductor sensor for alcohol. The Click is designed to run on a 5V power supply only. It communicates with the target microcontroller through the AN pin on the mikroBUS™ line.

alcohol_click.png

Click Product page


Click library

  • Author : Jelena Milosavljevic
  • Date : Jun 2021.
  • Type : ADC type

Software Support

We provide a library for the Alcohol 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for Alcohol Click driver.

Standard key functions :

  • alcohol_cfg_setup Config Object Initialization function.

    void alcohol_cfg_setup ( alcohol_cfg_t *cfg );
  • alcohol_init Initialization function.

    ALCOHOL_RETVAL alcohol_init ( alcohol_t *ctx, alcohol_cfg_t *cfg );

Example key functions :

  • alcohol_read_an_pin_value This function reads results of AD conversion of the AN pin.

    err_t alcohol_read_an_pin_value ( alcohol_t *ctx, uint16_t *data_out );
  • alcohol_read_an_pin_voltage This function reads results of AD conversion of the AN pin and converts them to proportional voltage level.

    err_t alcohol_read_an_pin_voltage ( alcohol_t *ctx, float *data_out );

Example Description

The demo application shows the reading of the adc values given by the sensors.

The demo application is composed of two sections :

Application Init

Configuring Clicks and log objects.


void application_init ( void ) {
    log_cfg_t log_cfg;  /**< Logger config object. */
    alcohol_cfg_t alcohol_cfg;  /**< Click config object. */

    /** 
     * 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.

    alcohol_cfg_setup( &alcohol_cfg );
    ALCOHOL_MAP_MIKROBUS( alcohol_cfg, MIKROBUS_1 );
    if ( alcohol_init( &alcohol, &alcohol_cfg ) == ADC_ERROR ) {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }
    log_info( &logger, " Application Task " );
}

Application Task

Reads the adc value and prints in two forms (DEC and HEX).


void application_task ( void ) {
    uint16_t alcohol_an_value = 0;

    if ( alcohol_read_an_pin_value ( &alcohol, &alcohol_an_value ) != ADC_ERROR ) {
        log_printf( &logger, " ADC Value : %u\r\n", alcohol_an_value );
    }

    float alcohol_an_voltage = 0;

    if ( alcohol_read_an_pin_voltage ( &alcohol, &alcohol_an_voltage ) != ADC_ERROR ) {
        log_printf( &logger, " AN Voltage : %.3f[V]\r\n\n", alcohol_an_voltage );
    }

    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Alcohol

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. UART terminal is available in all MikroElektronika compilers.


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