Bikeyboard Phase II

At night, I made a research about kinematics. Luckily found out the new promising solution for the project, which is Cylindrical Cam or Barrel Cam.


new sketch


As arrival in Time’s up, I discussed with Tim how is it possible to make a customized barrel cam in the workshop. Concerning about the high rate of rotation of bike and cam , we found out the linear actuator that is used in 3d printer can be accessible.


Then I started to make the slider triggered by the original small wheel mounted on the fitness bike. Before noon, the prototype of simple linear screw motion was made.

View this post on Instagram

#roboticworkshop #timesup #linz #interface

A post shared by Nathan Guo (@yellingbytes) on

After that, I talked to Tim again about the next step, which is the pointer motion. We found a brake and gear changer. Using level structure, spring and joint, I build the point press structure for typing the letter on keyboard. Thanks for the kind help of Mark, who gave me some tips and tricks( sometimes really a great fun).


The construction process really strenthen the confidence of the ability of problem solving, which I found very beneficial.



Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s