Cat Scratch Feeder
Build a snack-dispensing scratching post that will make Kitty forget the couch and curtains.
Acrylic
Solar Spinners for Your Windowsill!
This is an easy-to-build simple solar engine, also known as a Trimmet. We will construct a direct-drive type (as opposed to a voltage-triggered) spinner that will really go nowhere fast in direct sunlight. Perfect for windowsills and desktops that get a lot of old Sol’s rays. Many different styles are possible, but this is a […]
The Electronic Nag
Build a Notification Alert Generator that pesters you to do your chores.
Coffee Table MAME Console
By John Baichtal and Adam Wolf Do you remember those classic video game arcades filled with rattling quarters, 8-bit songs, and flashing lights? You can reclaim that excitement in your own living room with this Coffee Table MAME Console. In 1997, Italian software developer Nicola Salmoria released the first iteration of MAME (Multiple Arcade Machine […]
Periodic Table Cabinet
A collections cabinet in the shape of the periodic table.
Build a POSC Synthesizer
How to assemble the classic 555-based oscillator kit.
