We have good news and bad news. Part one of the bad news is that our knee motor broke. Our knee system uses a worm gear and regular gear; as we mentioned in the last entry, the regular gear is made of plastic and got stripped. In the meantime, we’ve ordered replacement plastic gears so …
Category: Armband
Feb 25
Toggle handle
We thought that we could use existing parts to make the kind of handle our user wanted (their description for the kind of handle they wanted was something like a fire extinguisher handle, i.e., could be worked in a squeezing fashion). However, we weren’t able to, so we decided to design and 3D print a …
Feb 22
Many updates
Dec 03
Armband progress
The armband system is responsible for receiving user input and displaying it back to the user via an LCD screen. The system is composed of buttons, LEDs, and an LCD. The LEDs display the state of the system to the user and are implemented via Charlieplexing in order to reduce the number of GPIO pins …