Dear Friend,
We have good experience in embedded software and design, It is not only our job but passion. We have worked on from basic hardware to quadcopters. Also have lot of happy and overwhelmed clients, we try to deliver more than expected.
As far as project is concerned, as we did quad-copter and implemented filters in it. We can do this task as per your satisfaction. Consider us :)
Thanks & Have a good day. Any queries and if u want to see more of our work, Please feel free to ask.