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LED Driver IC WS2818A = WS2818B Single-line 256 Gray-level 3-channel Constant Current LED Driver IC for 5050SMD rgb led strip - AliExpress
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Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface [TLC5947] : ID 1429 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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