Alexander Pruss's Blog

For about 20 years, we've been using a set of Logitech Z-2200 speakers as our TV speakers. But they have an inconvenient volume control ...

 For a while I've wanted to have an arcade spinner for games like Tempest and Arkanoid. I made one with an Austria Microsystems hall-eff...

Here are some non-philosophy hobby projects I’ve been doing over the break: Measuring exercise bike power output Dumping NES ROMs Adap...

I saw a small rectangular PCB on the sidewalk not far from my house. It looked interesting. I left it for a couple of days in case someone l...

I made some Atari 2600 style USB game paddles for use with Atari emulators and Pong. They're mostly 3D printed with a little bit of elec...

It's a nuisance to buy an LCD for each new Arduino project that requires a display, so I wrote an Android app that lets you use a tablet...

I made a USB game controller where game movement and buttons are controlled with a Nunchuck or a Gamecube controller and speed of movement (...

The Makey Makey is a cool electronic gadget that lets kids make a USB controller out of any somewhat conductive stuff, like bananas, pla...

This summer, the big kids and I built a practice machine for the Junior Classical League's Certamen competition, based on an Arduino (c...

My daughters and I saw a Makey-Makey banana piano at a local fair, and they thought it was cool. So I made an Arduino(clone) fruit piano, u...

I wanted to make an adapter that lets us use our Wii dance pads and Gamecube gamepads with PC-based games. It seemed like it would be fun, f...

My kids are involved in a Classics oriented quiz game called Certamen at school. These involve teams and buttons and a machine that determin...