/challenges-projects/project14/b/blog/posts/an-ultrasonic-range-finder-using-an-srf05-and-an-attiny85An ultrasonic range finder is a useful tool in a variety of real-life and robotic applications, such as in obstacle avoidance and distance measurement systems. The ultrasonic range finder measures the distance by emitting a 40KHz pulse of ultrasonic en-USTelligent Community 12