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Author: MIKROE
Last Updated: 2018-03-09
Package Version: 1.0.0.0
Example: 1.0.0.0
Category: Measurements
Downloaded: 4602 times
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License: MIT license
HZ to V click is a device that can convert input frequency of the signal with virtually any wave shape to a DC voltage output, with a level proportional to the input frequency.
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Examples Description
The demo application shows how to control the Hz to V click using MCU's PWM module.
The demo application is composed of two sections:
//Sets the output voltage in millivolts
void hz2v_setOutputVoltage(uint16_t voltage)
{
pwmPeriod = PWM_TIM5_Init(voltage*2);
PWM_TIM5_Set_Duty(pwmPeriod/2, _PWM_NON_INVERTED, _PWM_CHANNEL1);
PWM_TIM5_Start(_PWM_CHANNEL1, &_GPIO_MODULE_TIM5_CH1_PA0);
}
void applicationTask()
{
hz2v_setOutputVoltage(5000); //5 V output
Delay_ms(3000);
hz2v_setOutputVoltage(2500); //2.5 V output
Delay_ms(3000);
hz2v_setOutputVoltage(1000); //1 V output
Delay_ms(3000);
hz2v_setOutputVoltage(500); //0.5 V output
Delay_ms(3000);
}
Other MikroElektronika Libraries used in the example:
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.
