Pseudonymous maker “dagorald” has put collectively a information to brining just a little comfort to older moveable devices just like the Amazon Kindle 3 — by including wi-fi charging capabilities in round quarter-hour.
“Lately I misplaced two newer [Amazon] Kindle fashions (tenth gen.),” dagorald writes by the use of background to the mission. “One acquired stolen, and the opposite [had] a damaged display screen. Having tried to restore the latter with out success, being an nearly not repairable gadget, needed to look out for my previous Kindle 3.
“[I] liked the truth that mentioned gadget is very easy to switch some interior components, just like the display screen. This gave me the thought of modernizing considerably my beloved Kindle 3 utilizing some spare objects that I had mendacity round.”
When you’ve acquired some older moveable electronics with house of their circumstances, why not give them a fast wi-fi energy improve? (📷: dagorald)
Utilizing a sub-$3 wi-fi charging circuit and a spare Apple MagSafe-compatible steel ring, dagorald was in a position to dismantle the Kindle and the charging pad and combine the 2 collectively. “Join the gadget to the standard charging port,” dagorald explains, “[and] rigorously, utilizing the multimeter, test the pins that give constructive 5V. Use the port connector as reference GND.”
With the facility pins recognized, the wi-fi charging circuit might be soldered into place. “Use some tape to electrically isolate it from any metallic surfaces,” dagorald provides. “Select a correct location [for the coil] and repair it there [with] some extra tape. Shut the gadget and repair the metallic [MagSafe] ring.”
Dagorald’s full write-up, which the maker notes “might simply apply to lots of different completely different devices” in a position to profit from the comfort of wi-fi charging, is out there on Instructables.
