Jannis Magma

Table of Contents

1 Samples

3.jpg 5.jpg 1.jpg

2 generative "Biologically inspired" diffusers

https://www.thingiverse.com/thing:1883446

for diffusers:

bulb1.jpg bulb3.jpg bulb4.jpg

every component can be made in a similar style

3 Tech Structure

basic.png

4 ESP based mesh control network

5 Expected power draw

WS2812B - https://www.seeedstudio.com/document/pdf/WS2812B Datasheet.pdf

1 LED draws max 5 mA from a 5V supply (tested)

9 leds per bulb = ~50ma max

5.1 TODO test with covers to make sure 9 led bulb is bright enough

6 Battery

3200 mah seems ok, 3 18650 cells in 3S1P configuration to get 9.6v - 12.6v

Battery cell 3 EUR - full bat is 9 EUR

roughly,

battery.jpg

7 Solar panel

Solar panel ~10W seems ok

8 Estimates

mA/LED LED/Bulb Bulbs Battery (mAh) Solar (mA) Total Draw (mA) Working Hours Charging Hours
5 9 6 3200 10000 270.0 12 5
5 9 12 3200 10000 540.0 6 5
5 12 6 3200 10000 360.0 9 5
5 15 6 3200 10000 450.0 7 5

9 modular and interchangable connectors

check GX16 standard,

powerconnector1.jpg

  • both solar and battery have standard input/output connectors, so they can be chained, or replaced with a grid/centralized source
  • dark outside? chain some solar panels
  • need more capaciy? chain batteries
  • running on the grid? get rid of solar and batteries, connect grid directly

simple1.png

think about flexibility on numbers of bulbs with some top limit (12?) (autodetect strip length?)

GX16 for bulbs as well (6 pin)? bulbconnector1.jpg

  • since we are running on a bus, it' possible to drag one cable far and then split it into multiple cables for multiple bulbs wih some Y or X connectors
  • maybe controller has only one connector, we use spliters to distribute

splitter.png

10 Software

  • 3d position map of bulbs for running spacial algorithms
  • explore possibility of automatically triangulating control nodes based on signal strength
  • system wide battery monitoring via voltage measuring on controllers

Author: Ivan Nikolic

Created: 2019-10-02 Wed 13:39

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