Home

Video Channels Are Back - Sign Up+Upload+Share

Welcome
Login / Register

Homemade hand crank flashlight

Thanks! Share it with your friends!

URL

You disliked this video. Thanks for the feedback!

Sorry, only registred users can create playlists.
URL


Added by Admin in
68 Views

Description

This is a hand crank flashlight made of a stepping motor.
Turning crank, the super capacitor is charging and LEDs are ligting.

Materials : Stepping motor with gear, 1N5819 x 6, 1N4733 (5.1V zener diode), 5.5V 1F super capacitor, 100 ohm resistor x 3, LED x 3

An emergency lighting device from junk.

Post your comment

Comments

Be the first to comment
RSS
--