Tutorials Warn people off with a #RaspberryPi motion sensor and sound effect by Michael Horne • 28 January 2013 • 0 Comments Here’s a quick tutorial on using an ultrasonic range sensor to detect nearby movement and play a sound to ‘warn’ people off! Sensors and Raspberry Pi: I2C connection. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Reddit (Opens in new window) Reddit Click to share on Pinterest (Opens in new window) Pinterest Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Tumblr (Opens in new window) Tumblr Related