Most modern touch screens use "capacitive touchscreen" which you can read about at length here
, but in short it means that for a glove to work with a touch screen it needs to complete a circuit with your finger. So that's what we're going to do by putting some conductive thread between the screen and our finger.
You need to be able to sew a few stitches without killing yourself.
You will need:
A warning about conductive thread scammers
12" (30cm) of conductive thread. (TIP: If you don't want to buy a whole spool, you can buy a few feet much more affordably from SparkFun, Adafruit, or Sternalb.
Unfortunately there are people on Etsy and eBay selling sparkly thread as "conductive thread". It's not and will not work
with this project. I've purchased from the sellers linked above and can vouch that it's the real stuff. If you buy it elsewhere be sure that the seller lists conductivity data (ohms per foot or similar). Also conductive thread is not super sparkly, it has a color and finish more like brushed stainless steel.
What's conductive thread? This great article over at Fashioning Technology will tell you everything you need to know and where to get some. And when you get some, you'll find there are tons of interesting things you can do with it. Just look!
(Thanks to the good people at reMake Lounge for introducing me to conductive thread at the last Instructables Build Night)
That's it, lets get to it!