Step-by-step instructions for making your own PCBs at home.
Step-by-step instructions for making (and unmaking) the perfect solder joint.
Build a classic spark-gap coil that can draw 15" arcs without pricey commercial caps.
Small, dedicated boards drive servomotors without (or with) programming.
Categories: Electronics Robotics
You don’t have to be a Buddhist monk to meditate, or a Sleeping Beauty to sleep well. Achieve these altered states of consciousness, and others, with this simple microcontroller device.
Using a few solar cells and a plastic case, you can utilize the sun’s energy to power anything from a light bulb to your entire house.
Create an automated watering, light, and temp control system.
Categories: Arduino Gardening
Give this 100% fruit snack a try next time your kids have a sweet craving. You can control the amount of sugar or use none at all.
Categories: Food & Beverage Home Kids & Family
How to use solar panels to supplement your home or workshop electricity needs.
Use digital photos and a 3D printer to make a mini plastic replica of your noggin.
Categories: 3D Printing Workshop
Working directly with DNA isn't only for the labs of CSI, agribusiness, and headline-grabbing research institutions. It's basic chemistry, but it uses the molecules of life. You can even do...
Categories: Health Science
Create a fun demonstration of the ecological cycles that keep us alive.
You want a design on a T-shirt and you want it now!
An unusual act of crafty repurposing, needle felting is the art of sculpting wool with a barbed needle. The specialty needle was adapted for art from its original use in...
How the pros replicate objects.
Make the mysterious artifact that’s got Japanese schoolkids crazy for dirt.
“Bokeh” comes from the Japanese word “boke” (暈け or ボケ) which means blur or haze. The English word “bokeh” has to do with the aesthetics of out-of-focus points of light....
How to make your project better through smart design.
Build this slide guitar with just a board, a wire, and a jar.