Sean Michael Ragan

Test Coin Cell Batteries with DIY LED Tweezers

05/01/2015

I’ve always been interested in electronics, but when I started publishing projects professionally, I got interested in photography, too. I...

Put a Tiny Power Switch on Your 9V Battery Clip

04/29/2015

Looking around my styrofoam plate hovercraft for a place to mount a switch, I hit upon the battery clip itself....

How To Make An Inductive Charging Bag

11/18/2014

Look, ma, no plugs! Make a totally wireless bag to charge your mobile devices, and kiss connectors goodbye.

Vampire Flashlight

06/05/2014

A single fully-charged AA battery is incapable of powering high-flux LEDs. However with the aid of a toroid, bipolar NPN...

TRS Drawbot

05/23/2014

Turn tunes into 'toons with a robot arm controlled via headphone jack.

Woven Wire / LED Dancers Hang Midair From Helium Balloons

05/17/2014

Check out our original photo guide to sculptor Michael Gard's magic method.

Orchestra of Obedient Deltabots Sways at Your Command

05/16/2014

"Robot Army" installation glows in the dark, responds to gestures via Kinect.

Custom “Makey” Mold-a-Rama Toy

05/15/2014

Blow-molded Maker Faire mascot figure from special die prepared for MFBA 2014.

Tilt-Rotor Quad Goes Crazy Fast

05/15/2014

Design boasts 53 mph airspeed at less than half of full-forward prop tilt.

Laminar Water Jets from Copper Pipe, Scotchbrite, and Drinking Straws

05/15/2014

Easy DIY design projects beautiful unbroken jet of water up to 15'.

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