Introduction: Joel the Joule Thief
Joel was born around April of 2010 and he loves to steal dead batteries. He was inspired by https://www.instructables.com/id/The-illuminated-LED-man-or-The-Joule-Thief-man/
He consists of:
- Solid core copper wire for a skeleton
- Vibration mounts for his feet
- Filtering toroid for his torso
- Red enamel wire for a nervous system
- Crimp-on spade and ring terminals for hands
- Prototyping PCB for a head
- A 10-K trimmer for a mouth
- NPN transistor for his nose
- 2 white leds for eyes
- Some sort of copper bushing
- Wire and solder
- And a Sparkfun sticker for character (the flame is a registered trademark of Sparkfun, the sticker was purchased from them)

Participated in the
I Made It Photo Contest
8 Comments
12 years ago on Introduction
I love this!!
Reply 3 years ago
Es un buen proyecto, y opino que esto les fascinara a todo el público
5 years ago
I love this! Mostly because my name is Joe'l and I recently came to find out the hospital made a mistake and did not put the apostrophe where it should be in my name spelled above. So, I'm Joel. Now, I definitely am going to make this little guy, or some version. :-) Very cute.
7 years ago
This is so cute!
7 years ago
10 points from Denmark.
8 years ago on Introduction
Amazing work!
11 years ago on Introduction
He may not stop at batteries... he may start thieving jewels!
12 years ago on Introduction
me too..