Open Blackboard

I've enjoyed the wild bees this summer. One of the highlights of the summer was coming upon a nectar and pollen feast these black bees w...

Don't give up! I spent the last 3 years troubleshooting this circuit with an LM4871 chip with the goal of supplying a low voltage alter...

I spent a couple days figuring out how to make a good basic app with Python to have a conversation with ChatGPT so that I can teach it to my...

How do you keep alligator clips from getting tangled up? I thought of this a few years ago and will never go back to my bin of tangled wires...

I've been teaching middle schoolers to solder for years but I only came up with this approach to the workflow this year and it has been ...

I'm continuing to teach high schoolers to design their own circuit layouts and mill the boards so they can solder them together and have...

  You can code gears with Turtle Art! If you have a fabrication machine such as a 3D printer, laser cutter, or CNC machine you can download ...

  Someone gave me the electronics to a bluetooth speaker so I figured I had to make a mycelium case for it.

We have a small—18' x 19'—backyard that was shaded by a large maple until a year and a half ago when it had to come down due to a fu...

In another post I showed how to use a tortilla press to compress melted HDPE plastic in flat disks to use for making things. I made a bit m...