In this article we will build a turntable with squares in each sector unit using SCSS. There are many fantastic examples such as rotating-menu and Pie-Menu. We will focus on creating such turntables step by step.

Durning the last four weeks i was exploring some monocular SLAM projects. At first i use my laptop’s own camera as a image sensor, which is not good enough for capturing high quality pictures. Also, the camera and the screen are on the same side so it’s quite inconvenient to monitoring those SLAM systems with live video input.
I have a DC and an ihpone at hand so i decide to turn them into separate or wireless sensors for my laptop. In this post i’ll focus on the approch of iphone(maybe ipad, too) unter ubuntu 14.04. The basic idea came from this thread

1. Make your iphone as a webcam