Shaker Flashlight Modification
By Cy Tymony ■ Illustrations by Timmy Kucynda
You will need
Shaker flashlight
Wire
Small Phillips screwdriver
Soldering iron
Solder
A shaker flashlight has a bright LED, a NiCad battery, and an electrical generator made from a coil of wire and a cylindrical magnet. When you shake the flashlight, the magnet slides within the coil to charge the battery. Shaker flashlights provide about 2 to 4.5 volts but produce a very low output current, so there will be limits on their ability to supply power to devices. Recently Walgreens stores offered one for just $5.
1. Modify the flashlight.
Figure 1 shows the basic ...
Get Make: Easy 1+2+3 Projects now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
