1060Views3Replies

Author Options:

usb heater? Answered

okay so my plan is to build a usb heater for the contest, so it can heat up coffe, hot chocolate, of tea. i am wondering if there is another way of building this than to use a cpu and resistors.

any information will help.

thanks!

Comments

The forums are retiring in 2021 and are now closed for new topics and comments.
0
Re-design
Re-design

Best Answer 10 years ago

Use a resistance coil build out of nichrome wire. You'll have to figure out the length that will draw 100 ma. at 5 volts, which is the most that is safe to draw from a usb unless you design it per usb specs.

0
Hackrtanman
Hackrtanman

Answer 10 years ago

what about an old hair straightener? would that work?