How do I make a robot which starts by hearing the command “on” and stops with “off”?
It really depends on what your hardware platform is, and what operating system you’re using…. However, there has been a lot of discussion on Quora about open source speech recognition:
· quora.com/search?q=open-s
See also Wikipedia:
· List of speech recognition software
Edit: If it’s a hardware solution you’re after, I would simply use an Android phone for the backbone. For more ideas, check my quick and dirty webpages:
· 100 Best Arduino Voice Control Videos | Meta-Guide.com
· 100 Best RaspberryPi Voice Control Videos | Meta-Guide.com
· 100 Best Robot Voice Control Videos | Meta-Guide.com