This is stranded hook up wire that I purchased from eBay.   It comes pre-tinned.   A comparison of solid core to stranded wires.

    Current flows from the battery along the negative trace (black) thru a resistor and to the negative lead of the LED. The electrons jump the P-N Junction inside the lens cap emitting light and the depleted current returns to the battery along the positive trace (red). Other blog posts on LED’s LED Close Up  

The Zagreb Technical Museum with Nikola Tesla’s demonstration room

  I’ll be teaching a 5 day workshop in eTextiles, wearable tech and paper computing the first week of June 2014 at Arrowmont in Gatlinburg, Tennessee! Register before 1 February 2014 and save 10% Other workshops happening this week will be: Avelino Samuel – woodworking Brent Skidmore – woodworking John Cogswell – meatals Jean Hicks – felt hats Joseph Cavalieri […]

So many options for 3V CR2032 coin cell battery holders to sew into eTextile projects.

The 8 year old and I had the Borderless faux Arduino board working in no time – once I remembered to change the Arduino platform over to a Lenardo board setting. Its the little things that snag the system.   However there are no instructions. No printed directions came with the kit to bring the new user to a website, […]

    Inexpensive and super simple to use.  Switch your eTextile projects on or off with a tilt! This one is $2 from adafruit. Digikey has more accurate tilt ball switches. You can make your own by following this Instructable.