en:netzer:hc-sr04

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en:netzer:hc-sr04 [2014/10/03 17:33] – [IO0] sveschen:netzer:hc-sr04 [2025/06/11 20:42] (current) – external edit 127.0.0.1
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 With the capture capability of Netzer a simple ultrasonic sensor like the HC-SR04 module can be used. With the capture capability of Netzer a simple ultrasonic sensor like the HC-SR04 module can be used.
  
-<imgcaption sensor_photo|Ultrasonic sensor HC-SR04>{{:en:netzer:hc-sr04_front.jpg}}{{:en:netzer:hc-sr04_back.jpg?direct|}}</imgcaption>+<imgcaption sensor_photo|Ultrasonic sensor HC-SR04>{{hc-sr04_front.jpg}}{{hc-sr04_back.jpg|}}</imgcaption>
  
 For that reason the sensor shall be connected like: For that reason the sensor shall be connected like:
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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.