Category: Article

How to contact USCIS and what to expect

For any foreigner in the US, when it comes to immigration related issues, there are always a lot of stories to tell. My recent story is about renewing my EAD (work authorization in the US) card. After I sent out my renewal application, I have tried multiple methods to contact USCIS and would like share

Build a Robot From A Power Wheelchair (1/2)

I have been working on a robotic project for a while. In this project, we build a robotic wheelchair controlled by head motions. It starts from a commercial powered wheelchair (Titan Front Wheel Drive Power Chair). We took over the control signals, added a number of sensors and wrote some computer vision softwares. It is