Hey all I am having a difficult time trying to figure out how to go about the following:

I am wanting to just make 1 pcb but I am using WS2812B LEDs and therefore needs to be in the correct direction. I am looking to panelize the PCB and don’t really want to create 2 different PCBs.

My current schema of this is below which I do not think is correct:



Basically If i start from the left side then it would be:

IN->OUT->IN->OUT->IN->OUT->To the next PCB

And vis-versa:

To the next PCB<-OUT<-IN<-OUT<-IN<-OUT<-IN from previous PCB

Then back:

IN from previous PCB->OUT->IN->OUT->IN->OUT->To the next PCB

Visually this would look like this:


Doing the above would make me need to create 2 different PCBs. So I am not sure what the correct way to wire them up in the schema that would function the way I am wanting to do it?

So to recap - just want to be able to use 1 PCB that will do both left and right input connections for the WS2812B LEDs.

 

just make one PCB in one direction In>out>in>out>in>out considering 3 WS2812 leds data pins in series with each other. Then panelize the board with only this layer. While implementing the project just rotate the alternate pcs after unpanelization. I also worked on these WS2812 leds they are very hard to solder and any dry joints may lead to complete falure of all other leds. By the way I used JLCPCB assembly services for this.

 

After a few I think I managed to draw up the schematic correctly in order to use the same PCB in its normal orientation without the need to flip it upside down or have a 2nd pcb altogether.

This look good?




Yeah I plan on ordering assembly as well as I am not skilled enough to solder those tiny components. And also the fact that I will need 75 PCBs of these.

 

I re-measured the item the LEDs will be going on and came out with a PCB that looks the same either right-side up or flipped.

 

Great, the PCBs looks good. I also have designed something similar which you can see here:
this thing is assembled by JLCPCB.