Question about item
Description
WS2811 RGB Pixel String (5 V DC) – 12 mm Bullet, 10 cm Pitch, IP68
Addressable RGB pixel string using WS2811 data (single-wire NZR) for 5 V installations. In 5 V systems, clean results depend primarily on power distribution, power injection and a solid GND reference.
WS2811 – protocol & technical basics
WS2811 is a widely used standard for digitally addressable RGB pixels. Data is transmitted via single-wire NZR (typically up to 800 kHz). Each pixel reads its portion of the data (commonly 24 bit) and forwards the remaining stream to the next pixel in the chain.
Core specifications
- Chip/protocol: WS2811, single-wire NZR, up to 800 kHz
- Supply: 5 V DC
- Pixels: 12 mm bullet, RGB, individually addressable
- Pitch: 10 cm (4") standard
- Protection: IP68 (potted pixels)
- Wiring: 18 AWG / 0.75 mm²
- Mechanics: fits 12 mm mounting holes (typical pixel mounts/plates)
Variants – selecting the right option
- Pixel count: 50 or 100
- Connector: choose to match your system (JST-SM or xConnect®)
- Cable color: per variant
- Custom lengths: project-based / on request
Electrical planning (current, voltage drop, power injection)
- Planning current: up to ~60 mA per pixel at 100% white (RGB full)
- Example load: 50 px ≈ 3.0 A · 100 px ≈ 6.0 A
- PSU headroom: typically +20–30%
- Voltage drop: becomes relevant faster at 5 V due to higher current (run length / gauge / topology)
- Power injection: derive injection points from measurements/ΔU, not guesswork
WS2811 data signal & system integration
- Signal: single-wire NZR; daisy-chain (pixel reads data and forwards the rest)
- GND reference: shared ground between controller, injection and string is mandatory
- Controller → first pixel: keep as short as possible; long runs often require buffering/signal conditioning
- Direction: observe DIN/DO marking/arrow, otherwise the string will not respond
- Topology: structure larger builds into power segments; route data per controller requirements
Outdoor & connector systems
Pixels are IP68 (potted). For long-term outdoor installations, the connector system and mechanics matter as well. xConnect® is typically designed for robust outdoor plug connections. JST-SM is common in compact setups, but outdoors it usually needs additional sealing (heat shrink/gel/housing) and strain relief.
Warranty according to warranty terms.
FAQ
How long is the string at 10 cm pitch?
When do I need power injection at 5V?
Which connector should I choose – JST-SM or xConnect®?
What should I check first if the string flickers?
Technical data
| Item information | Value |
|---|---|
| Operating Voltage: | 5 Volt DC |
| Controller IC: | WS2811 |
| Pixel Diameter: | 12 mm |
| WEEE-Reg.-Nr.: | DE 32487762 |
| Cable color: | black |
| Connector System: | JST-SMxConnect® |
| Pixel spacing: | 4 inch (≈ 10 cm) |
| Color depth: | 24-bit (≈16M colors) |
| Cuttable: | Yes, after each pixel |
| Design current (string): | approx. 3.0 A (50 px @ full white) |
| Length (string): | approx. 5 m |
| Ambient operating temperature: | -15 to + 60°C |
| Ingress Protection: | IP68 |
| Wire gauge: | 18 AWG – 0,75 mm² |
| Power (string): | ~15 W (50 px) |
Maybachstraße 8
Baden-Württemberg
76227 Karlsruhe
Deutschland
info@pixltec.de