Tools

To interface an Ultrasonic sensor with Raspberry Pi

References

https://tutorials-raspberrypi.com/raspberry-pi-ultrasonic-sensor-hc-sr04/

https://robu.in/ultrasonic-sensor-working-principle/

https://robocraze.com/blogs/post/interfacing-ultrasonic-sensor-with-raspberry-pi-4-gpio

https://robu.in/raspberry-pi-ultrasonic-sensor-interface-tutorial/

https://www.electronicshub.org/raspberry-pi-ultrasonic-sensor-interface-tutorial/

https://thepihut.com/blogs/raspberry-pi-tutorials/hc-sr04-ultrasonic-range-sensor-on-the-raspberry-pi