By Ed Sobey
Excellent for the do-it-yourselfer, this useful advisor to loved ones electronics offers the weekend workbench fanatic a large number of principles on how you can salvage beneficial elements from outdated electronics and switch them into necessary instruments once again. This instruction manual is loaded with info and invaluable assistance for disassembling previous and damaged electronics. all of the greater than 50 deconstruction tasks incorporates a “treasures cache” of the elements to be came upon, a required instruments checklist, and step by step directions with images on the way to appropriately extract the operating parts. initiatives comprise construction a table lamp from an outdated flatbed scanner, a barbecue supercharger from a Dustbuster impeller, and a robotic from the gears, rollers, and stepper motor present in an ink-jet printer. Now, previous VHS gamers and fax machines will locate new lifestyles with those enjoyable principles.
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Additional info for Unscrewed: Salvage and Reuse Motors, Gears, Switches, and More from Your Old Electronics
Example text
Here, too, is a look at the laser under 20x magnification. Removing the laser assembly cover allows us to see the laser, an angled mirror, the photo detector, and a lens. The laser and detector are arranged at a 90-degree angle to each other, but light for both devices has to travel through the same lens. Light from the laser (with a 780-nanometer wavelength, the 26 Unscrewed light is just beyond human vision) reflects off the angled mirror in the assembly to a prism that reflects the beam up to the underside of the disk.
The large battery lookalike cylinder is a capacitor. The capacitor is there to power the strobe light that sits above it. If this capacitor is charged, it packs a wallop— one that you don’t want zapping your fingers. ), put the blade of a screwdriver on both contact legs of the capacitor at the same time. If it’s charged, you’ll see a spark. Touch it several times to make sure the charge is dissipated. Disposable cameras have similar capacitors, and even these pack a punch. connecting pins The strobe requires a sudden burst of electric power at a high voltage, and the capacitors store that power and provide it quickly to the strobe.
The gears are greasy and would require a good cleaning before reuse. dustbuster Unscrewed Value Index. . 3 Cool project rating. . . . . 2 Treasures to collect. . . . . 2 Disposal issues . . . . . . −1 Treasure Cache DC motor Fan blade LED Rechargeable batteries Spring Tools Required W ith over 150 million cordless vacuums sold since they were invented in the late 1970s, they show up in thrift stores and trash cans quite frequently. Often you can find an operative vacuum that has been thrown away because the batteries need to be replaced or the charger doesn’t make good contact with the battery case inside the vacuum.