![Amazon.com: 2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects : Industrial & Scientific Amazon.com: 2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects : Industrial & Scientific](https://m.media-amazon.com/images/I/61JmrLlSKGL.jpg)
Amazon.com: 2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects : Industrial & Scientific
![GitHub - solacese/raspberry-pi-ultrasonic-sensor-mqtt: A demo app that integrates an HCSR04 proximity sensor on a Raspberry PI with an MQTT publisher GitHub - solacese/raspberry-pi-ultrasonic-sensor-mqtt: A demo app that integrates an HCSR04 proximity sensor on a Raspberry PI with an MQTT publisher](https://raw.githubusercontent.com/fivdi/pi-io/master/doc/hc-sr04-two-pin.png)
GitHub - solacese/raspberry-pi-ultrasonic-sensor-mqtt: A demo app that integrates an HCSR04 proximity sensor on a Raspberry PI with an MQTT publisher
GitHub - alaudet/hcsr04sensor: Python module for measuring distance and depth (metric or imperial) with a Raspberry Pi and HC-SR04 sensor
![RPi::HCSR04 - Interface to the HC-SR04 ultrasonic distance measurement sensor on the Raspberry Pi - metacpan.org RPi::HCSR04 - Interface to the HC-SR04 ultrasonic distance measurement sensor on the Raspberry Pi - metacpan.org](https://stevieb9.github.io/rpi-hcsr04/hcsr04.png)
RPi::HCSR04 - Interface to the HC-SR04 ultrasonic distance measurement sensor on the Raspberry Pi - metacpan.org
![python - Ultrasonic range sensor (HC-SR04) giving inconsistent readings on Raspberry Pi - Stack Overflow python - Ultrasonic range sensor (HC-SR04) giving inconsistent readings on Raspberry Pi - Stack Overflow](https://i.stack.imgur.com/1xv8s.jpg)
python - Ultrasonic range sensor (HC-SR04) giving inconsistent readings on Raspberry Pi - Stack Overflow
![Connecting Two Ultrasonic sensors to Raspberry Pi Tutorial | DistanceSensor (HC-SR04) to RaspberryPi - YouTube Connecting Two Ultrasonic sensors to Raspberry Pi Tutorial | DistanceSensor (HC-SR04) to RaspberryPi - YouTube](https://i.ytimg.com/vi/Zdg-SIiumg8/hqdefault.jpg)