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Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables

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CoreTube Assembly Instructions
Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables - CoreTube Assembly Instructions - 3d model
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Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables - CoreTube Assembly Instructions - 3d model
Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables - Enclosure with jumper wires removed - 3d model
Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables - Charging Electronics Schematic - 3d model
Jerk Juice: Wearable Kinetic Energy Generator for #HalloWearables 3d model
12 Likes21 DownloadsNovember 1, 2021


Turn your excess energy from piloting your body in meat-space into a small amount of portable electrical power for your cyberspace devices. A wearable kinetic energy harvester that combines cutting-edge shake flashlight technology with a USB power bank.

Now your fist bumps, walking, running, and even doge can be used to generate power. Better yet, you can pre-charge your power bank via micro-usb before heading out, allowing your motion to slowly trickle charge your battery. Power out is by USB-A (but can be modified), allowing the powering of other wearable devices. Mounting uses either 3d printed straps, commercially available Velcro straps, or 20mm NATO watch straps.

Check out my other projects on YouTube 😊

Safety Warnings: -Soldering can be dangerous, follow proper safety precautions and have supervision if necessary -Neodymium magnets can cause serious injury if body parts are accidentally pinched between two magnets -Keep Neodymium magnets away from children and implanted medical devices (pacemakers, ICDs, etc) -Nickle magnet coatings can trigger nickel allergies

Assembly Instructions:

Bill of Materials: Main Body Components: Housing: (1) Body1 (1) Body_2

Core Tube: (2) CoilSpacer (1) CoreTube (2) EndCap (2) MagnetSpacer

Additional components for the main body include: (1) K&J Magnetics DCX0 3/4" dia. x 1" thick Neodymium magnet (2) K&J Magnetics DC2 3/4" dia. x 1/8" thick Neodymium magnet

(1) Spool of 30 AWG Magnet wire https://www.amazon.com/dp/B07JBQQR38 (4) 1N4001 Diodes (or equivalent) (or full wave rectifier of choice) https://www.adafruit.com/product/755

(1) TP4056 Lithium battery Charger Module (or equivalent, most use 03962A chips) https://www.amazon.com/Mudder-Pieces-Charging-Battery-Protection/dp/B087Q915LF

(1) TE110 3.7V to 5V step up converter (or equivalent) https://www.amazon.com/dp/B07YYMNJ1J

(1) 3.7V protected battery of choice, 18650 sized or smaller (battery casing should not be magnetic so as to not interfere with the core magnet movement, most 18650 cells are sadly magnetic) https://www.adafruit.com/product/1570

(1) Small Piece of Perf Board, roughly 6x6 (or equivalent) https://amazon.com/dp/B07VX79RL6/

Solid Core Jumper Wire ~22 gauge (link provided only for example) https://www.amazon.com/dp/B088KQFHV7

Optional Components:

3D Printed Straps: (2) WristStraps, Print in a durable, skin-safe flexible filament such as TPU, Nylon, NinjaFlex (2) Clasps, Print in a durable, skin-safe filament such as PLA+

Velcro Wrist Straps: https://www.amazon.com/gp/product/B071DGMNMX/

Tools: Hot Glue Gun Soldering station (though twist & tape is possible, but not advised)) lighter

Optional Tools: Drill & Tape Super Glue Sand paper or file Dry lube


12 Likes21 DownloadsNovember 1, 2021




12 Likes21 DownloadsNovember 1, 2021