After my field orientation control algo worked, I applied it to the quadrotor that I am building. Then, I noticed there are about 30% of chance of reverse spin in any of the hour motors. Then, things get pretty challenging, there are only about 0.7^4 of change that all motor will spin in correct direction. In real life, it is painful to start the…Continue
I made a adapter board which can drive the back light and pinout a full size DP port.
The backlight driver is running in constant current mode and dimming is done through a digital potentiometer.
The input is 5V compatible, but preferred to…Continue
I spent quite a few hours in figuring out a way to build Yocto image for edison from its recipes. Here is the steps in building an image successfully.
1. download recipes from http://iotdk.intel.com/src/3.5/edison/iot-devkit-yp-poky-edison-20160606.zip
I just realized this is the very first blog I ever wrote :)
RTK GNSS is an interesting topic for many quadrotor diyers like myself. It can provide stable sub meter coordinates which is very attractive for autonomous quadrotor flights. Initially, I tried RTKLIB on windows platform, and the result is pretty encouraging. However, I cannot imagine to have a windows running computer on a quad. Intel edison is another option for me: reasonably priced, small enough, and…Continue