The most common type. Only 3 wires are required: VCC, DIN, GND.
The IC receives a serial data stream and forwards it to the next pixel.
|
IC Model |
Voltage |
Typical Grouping |
Notes |
|---|---|---|---|
|
WS2811 |
5 V / 12 V / 24 V |
1 IC : 3 LED (12 V) |
Most popular, cost‑effective |
|
UCS1903 / UCS1903B |
12 V / 24 V |
1 IC : 3 LED or 1 IC : 6 LED |
WS2811‑compatible protocol |
|
SM16703 / SM16704 |
12 V / 24 V |
1 IC : 3 LED |
Stable, widely used in engineering |
|
TM1809 / TM1812 |
12 V / 24 V |
1 IC : 3–12 LED |
Supports multi‑channel grouping |
|
TM1803 / TM1804 |
5 V / 12 V |
1 IC : 3 LED |
Early single‑wire ICs |
|
WS2814A (external) |
12 V / 24 V |
1 IC : 3 LED |
RGBW 4‑channel, single‑wire |
|
UCS2904B / SM16714 / TM1824 |
12 V / 24 V |
1 IC : 3 LED |
RGBW external single‑wire ICs |
Characteristics: Simple wiring, but if one IC fails, downstream pixels may lose signal.
