CHAPTER 29

Ultrasonic Range Finder

image

This is a really quick and easy project to make. It uses an LCD shield and an HC-SR-04 range finder. The display gives a continuous readout of the distance to the nearest obstacle (Figure 29-1).

image

FIGURE 29-1 Ultrasonic range finder.

 

Parts

To build this project, you will need the following:

image

The LCD shield that I used in this project is made by Snootlabs (www.snootlab.com). It is particularly useful for this ...

Get The TAB Book of Arduino Projects: 36 Things to Make with Shields and Proto Shields now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.