Category Archives: tech

Today I continued work on the Automatic Marshmallow gun. I tried a couple of designs, and ended up with what appears to be a pretty solid base to build on. Note that this is a work in progress. The steppers … Continue reading →

Today I started work on an automatic marshmallow gun. The idea is to automate a marshmallow gun by using a can of compressed cleaning gas as a propellant, and to mount the whole thing on a pan/tilt mount so that … Continue reading →

For day 23, I added optical encoders to the drawing bot that was built on day 19. I also modified the program so that it uses the Servo library, which I only recently became aware of. The encoders work like … Continue reading →

I went to bed early on Friday, but this is what I had planned to have finished. I was wondering what it would look like to make a macroscale slip-stick motion robot, so here is my attempt. The bot does … Continue reading →

My friend gave me some stepper motors today, so my project tonight was to take one apart and find out how it worked. I chose the one that had 5 wires, and traced out a wiring schematic. It turns out … Continue reading →

While napping, I had this dream about a crazy way to make a clock face (I often think of these things). It reminded me of this drawing bot ‘hektor’ that I had read about, and I wondered how hard it … Continue reading →