It could be done using the spokes themselves as the encoder wheel. If the LED were on one side and the photodetector was on the other.....Maybe a piece of tape across every?? spoke to interrupt the link.
Membership Required
We're sorry. You must be signed in to continue.Sign In
or Register
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .