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Example

V to Hz Click

Rating:

5

Author: MikroElektronika Team

Last Updated: 2018-07-12

Category: Power supply

Downloaded: 1339 times

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V to HZ click is a device that turns analog voltage into a pulse wave signal of a certain frequency.

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Download

Download Example [3.94MB]

Version 1.0.0.0

DOWNLOAD LINK RELATED COMPILER CONTAINS
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Example Blog

V to Hz Click

V to Hz Click

Native view of the V to Hz Click board.

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V to Hz Click

V to Hz Click

Front and back view of the V to Hz Click board.

View full image

Examples Description

The demo application is composed of the application task, and set frequency function :

  • Application Task - Alternates between different output frequencies
  • v2hz_setOutputFrequency - Sets the PWM duty cycle to required value, changing

MikroElektronika libraries used in the example:

  • PWM
v2hz_setOutputFrequency(float frequency)
{
    float dutyCycle;

    dutyCycle = PWM_TIM5_Init(50000);
    dutyCycle *= frequency;
    dutyCycle /= 10000;
    PWM_TIM5_Set_Duty(dutyCycle,  _PWM_NON_INVERTED, _PWM_CHANNEL1);
    PWM_TIM5_Start(_PWM_CHANNEL1, &_GPIO_MODULE_TIM5_CH1_PA0);
}

void applicationTask()
{
    v2hz_setOutputFrequency(1000);        //1000 Hz output
    Delay_ms(3000);
    v2hz_setOutputFrequency(2000);        //2000 Hz output
    Delay_ms(3000);
    v2hz_setOutputFrequency(5000);        //5000 Hz output
    Delay_ms(3000);
    v2hz_setOutputFrequency(10000);       //10000 Hz output
    Delay_ms(3000);
}

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.

 

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