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I used 100 leds all in one chain.Something like this: http://i.stack.imgur.com/Iq1on.pngBut i also added a large capacitor (1000uF) across the + and - terminals. This will help prevent damage to your LEDs if u turn them on all at once.200 leds in one chain will also work. But u can also make for example 2 chains of 100 LEDs, i know the Fastled library supports this, but i've never done that myself so i'll not get into this now.I used the 5V from a PC power supply. But u can use whatever you want. Just keep in mind 100 WS2812B leds will draw around 6A at max brigtness and white color. For 200 LEDs it will be 12AAnd better take a powersupply that can deliver a bit more Amps than you actually need.
I used 2mm white plexi
Thank you! And very good idea!! They are really fun to play around with :)
Interactive RGB LED matrix,...View Instructable »
Srr my mistake, just change program or circuit and it will work.
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