You definitely need to boost the sensitivity as well as implement a filter to cancel out noise. Train your brain with a computer program where you learn your brain as well as the program how to steer, accelerate, brake etc. with an object on the screen, then put that program on the FPGA/ASIC and voilà, you have full control over a mind controlled toy. 
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!
"The sky was the color of a TV tuned to a dead station" - Neuromancer
, keep it up.. 
