Light Pattern Projector
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This projector creates light patterns that come to life as the light rotates. It uses an LED ring on a motor.
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Updated at source:
Model information
- Source
- Printables
- Category
- Home Decor
- License
- Creative Commons — Attribution — Noncommercial
This is a version 0.1 of my Pattern projector. It is pretty much a work in progress right now, so I won't be delving too deep into an assembly manual as the design could change a bit in the future. But if anyone wants to try it out and assemble it, I would be glad for any feedback on the design.
You can see how it work in my video here:
Here is the current BOM:
Item | Quantity | Note |
18650 battery with USB charging | 1 | I used Nitecore NL1826R with USB micro. I noticed that the USB-C version is a bit longer and does not fir into the used battery holder |
24x Neopixel ring | 1 | These come in multiple sizes, I used one with 90 mm outside diameter |
5V Boost circuit | 1 | https://www.laskakit.cz/en/step-up-boost-menic-s-me2108-5v-480ma/ |
Battery holder BHC-18650-1A | 1 | |
Bearing 623 | 2 | Inside the larger cog |
Bolt countersunk M3x6 | 6 | For battery holder and LED ring |
Bolt DIN 912 M3x16 | 2 | Holding the PCB |
Bolt DIN 912 M3x30 | 3 | 2 holding the motor, 1 is the larger cog axis |
Bolt DIN 912 M5x40 | 1 | Inside the stand |
Bolt DIN 933 M5x20 | 2 | Inside pivoting joint |
Hex nut M3 | 7 | Used throughout the electronics assembly |
IR receiver VS1838B | 1 | |
Magnet ϕ6x2 | 6 | Electronics assembly attachment |
Moto driver ULN2003 | 1 | |
On/off switch | 1 | |
Square nut M5 | 3 | 1 Inside the stand, 2 in the pivot joint |
Stepper motor 28BYJ-48 | 1 | |
XIAO ESP32C3 | 1 | The brain |
The firmware is here: https://github.com/KineticPrints/pattern-projector