From Kevin Le Brun on Instructables:I am currently planning some interior work for next Spring but as I just acquired an old house I don’t have any house plan. I started to measure wall to wall distances using a ruler but it is slow and error prone. I thought about buying a rangefinder to ease the process but then I found an old article about building its own rangefinder using a laser and a camera. As it turns out, I have those components in my workshop.
The project is based on this article: https://sites.google.com/site/todddanko/home/webcam_laser_ranger
The only difference is that I will be building the rangefinder using a Raspberry Pi Zero W, a LCD, and the Raspberry Pi Camera module. I will also use OpenCV to track the laser.Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest … // Read more: original article.
