en:netzer:hc-sr04

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en:netzer:hc-sr04 [2014/10/03 17:34] – [Detecting the distance to an object with an ultransonic sensor] sveschen:netzer:hc-sr04 [2025/06/11 20:42] (current) – external edit 127.0.0.1
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 IO0 is triggered by the rising edge of the sensor capture signal ECHO. IO0 is triggered by the rising edge of the sensor capture signal ECHO.
-} + 
-<imgcaption io0config|IO0 configure for starting measurement>{{io0config_ultrasonic.gif|}}</imgcaption>+<imgcaption io0config|IO0 configure for starting measurement>{{io0config_ultrasonic.gif}}</imgcaption>
  
 Important is to mark the "Impulse timer Reset" checkbox. Important is to mark the "Impulse timer Reset" checkbox.
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 SPI_INT is connected to the ECHO pin, too. SPI_INT is connected to the ECHO pin, too.
  
-{{spiint_config_ultrasonic.gif?direct|}}+<imgcaption spiint_config|Config of SPI_INT>{{spiint_config_ultrasonic.gif|}}</imgcaption>
  
 The falling edge of the ECHO signal will stop the capture timer and finally show the result on the GPIO webpage. The falling edge of the ECHO signal will stop the capture timer and finally show the result on the GPIO webpage.