Update V0-Adafruit Pixel Sticks README (#641)

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@ -13,50 +13,50 @@ _Inspired by the mod [from JNP](https://github.com/VoronDesign/VoronUsers/tree/m
## BOM
* Printed parts
* (2) [Adafruit NeoPixel Stick](https://www.adafruit.com/product/1426)
* (8) M2x6 flat head - to mount covers
* (4) M2x8 SHCS/BHCS - to mount the PCBs
* (4) M3x6 SHCS/BHCS - to mount the assemblies to the Y-rail extrusions
* (8) M2×6 flat head - to mount covers
* (4) M2×8 SHCS/BHCS - to mount the PCBs
* (4) M3×6 SHCS/BHCS - to mount the assemblies to the Y-rail extrusions
* (4) M3 nuts - to mount the assemblies to the Y-rail extrusions
* (2) JST-XH connector plug 4-position - to allow for easy disconnection (optional)
* (2) JST-XH connector plug, 4-position - to allow for easy disconnection (optional)
* 22awg wire
## Assembly
* Solder wires of appropriate length onto the back of each PCB (VDC, GND, DIN, and DOUT)
* If using JST-XH as disconnects, solder the other ends of the wires to 4-position (male) connectors - the connector should fit inside the body cavity once assembled
* Mount the PCBs inside the printed bodies using M2x8s
* Mount the PCBs inside the printed bodies using M2×8s
* Don't install the printed covers at this stage
![Wired](images/wired.jpg)
## Installation
* Insert 2x M3 nuts on the bottom side of each Y-rail extrusion - requires partial frame disassembly if already assembled
* Insert 2× M3 nuts on the bottom side of each Y-rail extrusion - requires partial frame disassembly if already assembled
* For the wire path, you have two choices:
* Drill 1/4" holes in the midpanel where the printed bodies comes into contact with the midpanel and route the wires through that
* Route the wires through the opening on the "top" of the printed body, through the slot of the extrusion, and over the midpanel
* Install the printed and assembled body to the Y-rail extrusions using 2x M3x6s and the previously inserted M3 nuts
* Install the printed and assembled body to the Y-rail extrusions using 2× M3×6s and the previously inserted M3 nuts
* Route wires and fold excess wire inside the body cavity (see wiring below)
* Install the printed covers using 4x M2x6 flatheads (SHCS/BHCS might also work - *check clearance with the gantry* )
* Install the printed covers using 4× M2×6 flatheads (SHCS/BHCS might also work - *check clearance with the gantry* )
![Installed](images/installed.jpg)
## Wiring
* If using [Timmit99's V0 Umbilical](https://github.com/timmit99/Voron-Hardware/tree/V0-Umbilical/V0-Umbilical) create JST-XH jumpers that route between the left and right connectors on the Umbilical Frame PCB and the printed assemblies
* If using [Timmit99's V0 Umbilical](https://github.com/timmit99/Voron-Hardware/tree/V0-Umbilical/V0-Umbilical) frame PCB, connect the pixel strips to Strip1 and Strip 2.
* Pay attention to pin ordering!
* If connecting directly to a compatible Controller you have to chain the data signal between the left and right assemblies
* If connecting directly to a compatible controller, you have to chain the data signal between the left and right assemblies
* Choose either the left or right assembly to be the first in the chain
* The Controller's neopixel data output pin will connect to the DIN of that "first" assembly
* The DOUT of the "first assembly" must connect to the DIN of the "second" assembly
* VDC and GND of both assemblies must be connected to the Controller's neopixel VDC and GND pins
* The Controller's neopixel data output pin will connect to the `DIN` of that "first" assembly
* The `DOUT` of the "first" assembly must connect to the `DIN` of the "second" assembly
* `VDC` and `GND` of both assemblies must be connected to the Controller's neopixel `VDC` and `GND` pins
* Some Controller boards (e.g. SKR) require a capacitor and resistor - [SKR Neopixel Breakout Board](https://github.com/codiac2600/Neopixel-Breakout-Board) [link1](https://www.printedsolid.com/products/skr-neopixel-breakout-board) [link2](https://sparta3d.ca/products/ldo-skr-neopixel-breakout-board)
## Klipper Config
* Create a "neopixel" section in printer.cfg and give it a name
* Refer to your Controller documentation to find the pin name that controls the neopixel data signal
* Example:
```
[neopixel lights]
pin: PA8
chain_count: 16
color_order: GRB
```
* Example:
```ini
[neopixel lights]
pin: PA8
chain_count: 16
color_order: GRB
```
* Refer to [Klipper](https://www.klipper3d.org/Config_Reference.html#neopixel) for more information