Documentation: Joule Thief Flashlight Kit

      Instructions:

      1. Choose a model to use with your kit:
        • Browse the 3D models above
        • Use associated link to download the ZIP file
        • ZIP files contain STL ready to print and STP files for easy customization
      2. Print your chosen model:
        • Print the STL models or customize the included STP files (recommend Fusion 360)
      3. Assemble your Electronics Kit:
        • Solder components to the PCB (see image below for placement)
          • Note:  Coil has two wires, one must use the pair of holes on each side of the PCB (see graphic on PCB)
          • LED polarity is important and must be installed with flat side (negative) per the image on PCB
          • Transistor polarity must be correct with flat side oriented as shown.
          • Tip:  Dry fit the coil and transistor in printed case before soldering to adjust height for print.
      4. Finally, assemble the electronics and printed case.  Try different cases or design your own!
        • Note:  Not all 3D model designs use all parts.  Hardware such as the wood screw and magnets may be used in alternative designs and some that have not been released.
        • If you design your own, be sure to share it with the community in our Thingiverse group!

      Parts List:

      Qty Part Name Image
      1 PCB (Joule Thief Flashlight V1)
      2 LED (5 mm Cool White)
      1 Resistor (1K 1/4 Watt)
      1 Transistor (NPN 2N2222)
      1 Coil Toroid Choke
      1 Switch
      1 Button
      2 Bolt (M3 x 8)
      2 Nut (M3)
      1 AA Battery Holder
      2 Magnet (n50 5 x 3 mm)
      1 Wood Screw (#4 x 1/2 in)
      1 Hex Key (2.5 mm)