A collection of 3 posts

Drawing a 3D Scene in Blender with a Pen Plotter

Pen plotters are an attractive tool and toy for anyone interested in computer graphics or generative art. The simple machines draw with a pen or pencil on paper under the control of computer code. Possessing infinite patience, such machines can build up complex imagery defined by digital information or rule

SMT Part Tape Counter

I wanted to get a handle on my Digikey SMT part cruft, but didn't want to count the parts by eye. Built a simple 3D-printed sensor block with a break-beam sensor that I can easily slide the SMT part tape through and hooked it up to a simple Arduino shield

Adding a Touch Screen to a TI-84+

I figured out how to use raw control of the TI Link Port on a TI-84+ graphing calculator in order to implement some Z80 assembly routines that could talk to an Arduino using regular asynchronous serial. Once I got that working I used it to make this demo. The touch
You've successfully subscribed to Owen Trueblood
Great! Next, complete checkout for full access to Owen Trueblood
Welcome back! You've successfully signed in
Success! Your account is fully activated, you now have access to all content.
Success! Your biliing information has been updated.
You've canceled to update your billing information.