WS2812C

1-wire RGB · WorldSemi · ws281x

Channels
RGB
Bits / channel
8
Supply
3.5–5.3 V
PWM
Backup data
no
Packages
3

A cost-reduced WS2812B, most visible as the WS2812C-2020. Positioned by various resellers as either the “economy” version or simply the small-package version; sources conflict and WorldSemi does not clarify. See DATA-QUALITY.md.

Timing

hilo012502500T0H 250nsT1H 875ns0 bit1 bit
T0H 250 / T0L 1000 · T1H 875 / T1L 375 · period 1250 ns · reset 280 µs source: fastled
SourceT0HT0LT1HT1LPeriodRateReset±
fastled 250 ns 1000 ns 875 ns 375 ns 1250 ns 800 kHz 280 µs

Clones & compatibility

“Compatible” is never stated bare here — each relationship carries how strong the claim is, and what bites if you assume too much.

  • drop in WS2812B

    Sold as fully compatible with the WS2812B and driven identically by every library; the difference is packaging and cost, not signalling.

Library support

FastLED
WS2812
Adafruit_NeoPixel
NEO_GRB + NEO_KHZ800
WLED
WS281x

No library treats it as distinct from WS2812B.

Parts using this protocol