Iam doing my UG in biotechnology and ive planned to start up with a new .Iam a beginner and i need help with the basics of bio mechanics.My project is a mechanical arm i wish i get some help about this do's and donts of this topic..please anyone? the biological part it i want to put my hand inside and am designing it with bio sensors that can sense my hand impulses and do the job wid small hydraulic pumps..can anyone also help me with cost estimation please?