This Peace pendant project is a great way to hone your 3D printing + electronics skills.
The circuitry for this wearable project isn't that complex, and the 3D printed enclosure will provide a compact pendant that you can wear to your next party or event.
This guide was written for the 'original' Gemma board, but can be done with either the original or M0 Gemma. We recommend the Gemma M0 as it is easier to use and is more compatible with modern computers!
Features:
- Sound reactive
- Rechargeable
- On/Off switch
- Programmable
Before you begin, please read the following prerequisite guides:
- Adafruit Guide To Excellent Soldering
- Battery Powering your Wearable Electronics
- Introducing Gemma or Introducing Gemma M0
Parts:
- Gemma M0 or Gemma v2 (M0 type is recommended!)
- NeoPixel Ring (12 LEDs).
- Switch.
- #4 3/8 inch Screws (x2) or similar.
- Li-Po battery 3.7V 150mAh.
- Lipoly battery charger.
- Mic Amp [MAX4466] or Mic Amp [MAX9814] either will work
- Necklace and ring.
- Micro USB cable for programming/charging.
- 22 AWG hook-up wire or any other suitable wire.
Tools and Supplies:
- Access to a 3D printer with filament.
- Soldering Iron with solder.
- Wire Strippers and pliers.
- Hot glue gun and super glue.
Page last edited March 08, 2024
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