The pricing is significantly less expensive than purchasing them from a store in the US. The shipping charges were quite high, but still the total came in less than ordering locally. The other reason I purchased from Ray Wu's store was that his pixels already had the waterproof 3 core ends on them, he has extension 3 core wire, power injectors and power cords. I also purchased my power supply from Ray Wu. I also felt this his store had the most complete products, other store would have required purchasing from separate stores, I am pretty confident everything from Ray's store should connect together seamlessly.
Items that I purchased:
50noeds addressable RGB DC 12V WS2811 LED - 3 core 13.5mm
Plastic end caps for 13.5mm waterproof pigtails
3m 3 core waterproof extension cables - 13.5mm [for supply power and data to pixels]
3m 2 core waterproof extension cables - 13.5mm [for injection power]
3 core T type waterproof splitter - middle 2 core - power injector
NES-350-12 - 12 V power supply
M20 standard Ethernet connector RJ45 network connector
10psc - 3 core waterproof female connectors, 50 cm long, 13.5mm [for connecting into my Falcon Pixel Controller
I chose to use 12V pixels. That is why I purchased the 12V power supply. The Falcon Pixel Controller can run off of 12V or 5V - I will set mine up to run off 12V so I can power the pixel strands through the pixel controller and inject power as necessary.
A typical rule of thumb is that power injection is required for ever 100 pixels. This allows you to run the pixels in full bright white. If you run the pixels just one color at a time like red and at 30% brightness you are able to power a lot more pixels, however more power injection will have less limitations on the display.
Canispater Christmas has some pretty good videos on setting pixels up. Below is a video on power injection.
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