Butters is a very special kitty, he can only keep wet food off the white duvets and furniture. He cant seem to keep dry food down.
This is a bot to open wet cans by winching the lid off.
Zoomed view of the whole setup. Arlo camera under the bench to watch the process. The PI is wired to a block of relays and a manual mechanical H-bridge is wired to allow for an easy reverse stage as well.
cascade of 3 units. PLA was not strong enough for the winch hub, had 3 of the gray pieces made at shapeways to prevent the shaft from stripping out the winch hub which happened after about 10 cycles.
Running on a pi3, with pios lite https://www.raspberrypi.org/downloads/raspberry-pi-os/
How to get this server on its feet: Get on the host with a keyboard and screen, expand filesystem, enable ssh server.
apt-get install python3-pip
pip3 install RPi.GPIO git zsh
git clone git@github.com:turbohoje/can_feeder.git
Below are the models in this project
This base below will cascade hook to other bases.
The base and the top are joined with .25" rod (x4).
Prototype winch.
This is a gear motor from sparkfun. This is subtracted from the material above.
This is the spool that goes on the motor. 1/2" nylon strap wraps up around ths.
