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I think that using USB socket for 12V is dangerous. 1. Can easily be mistaken for 5V USB2. USB wires are not rated for the current and can overheat.
Machine Sewing Class
LEDs and Lighting Class
"Joule Thief" Circuit in a Flashlight Bulb? Yes!!!
High Efficiency Regulated Joule Thief
Make Your Own Li-Ion Battery Pack
AWSOME thanks !
Reuse old laptop webcam
How to Convert a Laptop LCD into an External Monitor.
Hi. Awsome !what is needed to connect to HDMI (intsead of VGA) Thanks for the instructable !
Power your Bathroom by Water Tap
Simple, Cheap, Electroplating
Breadboard How To
Basic Tomato Sauce
Replace Low Voltage Bi-Pin Halogens with LEDs