↩ Replied to https://waterpigs.co.uk/notes/4ybKKi/
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I tried to plug in this LED strip I bought but nothing happens. 5400 LEDs but none of them turn on?! and when I tried to peel the backing off to stick it to something, all the LEDs fell out D: 0/10 would not buy again

That sounds like a reel of LEDs for a pick-and-place machine! It came with leads attached to power it??