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Smart3: The Self-Solving Rubik’s Cube

Smart3: The Self-Solving Rubik’s Cube

In the summer of 2015, I went to my first Maker Faire, in Tokyo, Japan. Afterward, I could only think about the challenge of making something. It moved me so much that I left the company where I worked as a programmer for 16 years and became a full-time maker. I challenged myself to create something […]

A Can Full of Tone

A Can Full of Tone

Vintage Gibson electric guitars had a special circuit for modifying the sound of the pickups: the Vari Tone (Figure A). You could set the knob to get six different guitar sounds, from a funky nasal tone to a full-bodied sound. Here’s an effects box version of that famous circuit for your own guitar that you can build […]

Recreating Galileo’s Sector

Recreating Galileo’s Sector

The sector, also known as the compass of proportion, is a fun and easy-to-use calculating device that uses the power of geometry to perform a variety of useful math jobs. Although at first glance a sector might seem as quaint and old-school as a slide rule, it can do at least a few maker-style jobs better, faster, […]

DIY Mobile Handwash Station

DIY Mobile Handwash Station

In times like these you learn to … lather up. Everybody needs hand hygiene, everywhere. Most of us take it for granted but for some, it’s just not readily available. LavaMaex is a nonprofit accelerator changing the way the world sees and serves our unhoused neighbors. Our goal is to teach the world how to take critical […]

FeatherS2 Neo

FeatherS2 Neo

If you ever thought your microcontroller board needed more LEDs, the FeatherS2 Neo might be for you. In addition to status LEDs, It features a bright 5×5 RGB LED matrix near the middle of the board. Unexpected Maker suggests you could use this for debugging output, even using it as a character display with scrolling […]