How to Build an Antweight Combat Robot

Have you ever wanted to build a competitive combat robot? You probably thought it was too, much hardware or dangerous and expensive. However, a lot of combat robot competitions have a weight class for 150 grams, including Robot Wars. This class…

Tinnitus Cure Using Sound timed with Skin Stimulus

Specially timed tens and sound signals ease tinnitus symptoms in first test aimed at condition's root cause. What the device does... The device uses 'electrical-acoustical stimulus timing', with an alternating burst of two stimuli during…

Critical Steps to Design, Make, and Sell Your Own Products

If you’re about to wet your pants anxious to begin making and selling your 3D printed ideas or knock-offs, there are things you should know. And who better to learn from than a hacker in the trenches? Me. I've been in my garage doing this…

How to Start a T-Shirt Business

To Make Custom DIY T-Shirts you'll need thse items. about $500 bucks.

Glowforge Basic Power and Speed Settings

LASER CHEAT SHEET  (Use at your own Risk) Tips Having fewer variables will help to find the optimum settings faster. Not all metals use the same speed setting for Engraving. When adjusting settings, a good rule is to adjust…

Controllable Sensor Midi Driven Sound MP3 Sound Player

I'm hacking a project to program a series of sounds(mp3) or 1 sound to play when I press a button(s) or possibly activate it by a sensor. I plan to hack the code for it to play mp3s in a code function on this. fVBRC3ARIsAIifYONclt7rqVV0gxlpoywcpV3WEeC9oMMC7olExjxY7h_ZbZVso35oSh0aAqMXEALw_wcB] …

The Future of Design and 3D Printing in the Pinewood Derby

Growing up, I joined the Cub Scouts for the Pinewood Derby.  I didn't have a Dad ready to help but I still looked forward to building and racing a car all year. The design and making process was my favorite part. The purpose of this hack of…