3D printed LED bracelet with motion sensor
3D printed LED bracelet with motion sensor
3D printed LED bracelet with motion sensor
3D printed LED bracelet with motion sensor
3D printed LED bracelet with motion sensor
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This project started when I printed Diagrid Bracelet by nervoussystem and got the idea to add some LEDs to it. I designed the model using123D Design. An Adafruit trinket (Attiny85) is controlling a Neopixel 144 LED/m strip and reading value from a FLORA Accelerometer/Compass Sensor (LSM303) using I2C.

Blog: http://www.slickstreamer.info/search/label/bracelet

Step 1: What you need

Hardware

  • Trinket - 3.3V Logic
  • 144 LED/M Neopixel strip
  • Smal battery (~110 mAh)
  • Neodymium magnets (3 mm)
  • FLORA Accelerometer/Compass Sensor - LSM303

    Tooles

  • 3D printer
  • Soldering iron

    Software

  • Arduino
  • NeoPixel
  • TinyWireM
  • Tiny303
  • LED-bracelet

    Step 2: Model

    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor

    Download the files from Thingivers http://www.thingiverse.com/thing:248567

    I printed it on a Form 1 using white resin.

    Print the model and glue the magnet.

    Step 3: Electronics

    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor

  • Trinket - 3.3V Logic
  • 144 LED/M Neopixel strip
  • Smal battery (~110 mAh)
  • Neodymium magnets (3 mm)
  • FLORA Accelerometer/Compass Sensor - LSM303

    Connect the led stripe to D1 to one of the trinkets pins, I use pin 1, and connect +5v to the battery positiv and GRD to negativ. To connect the accelerometer use pin 0 for SDA and pin 2 for SCL.

    Step 4: Code

    Software

  • Arduino
  • NeoPixel
  • TinyWireM
  • Tiny303
  • LED-bracelet

    Step 5: Party!

    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor
    3D printed LED bracelet with motion sensor

    All blogpost about the build http://www.slickstreamer.info/search/label/bracele...

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