WS2812B Intelligent control LED integrated light source T0L 0 code T0H T1L 1 code T1H Treset RET code Cascade method: D1 D2 D3 D4 DIN DO DIN DO DIN DO PIX1 PIX2 PIX3 Data transmission method : reset code >=50us reset code Data refresh cycle 1 Data refresh cycle 2 seco n d seco n d first 2 4 b it th ird 2 4 b it 2 4 b it th ird 2 4 b it first 2 4 b it 2 4 b it D1 seco n d seco n d th ird 2 4 b it th ird 2 4 b it D2 2 4 b it 2 4 b it th ird 2 4 b it th ird 2 4 b it D3 D4