2 layers44.2 × 7.1 mm
2 layers31.8 × 7.1 mm
OpenLED
lmiez/OpenLEDOpensource LED board for betaflight drones using WS2812B LED's
- Size
- 31.8 × 7.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 7
- Pads
- 30
- Tracks, vias
- 74, 14
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 28 Sep 2026
- Updated
- 28 Sep 2026
Overview
OpenLED is an open-source printed circuit board by lmiez, from the lmiez/OpenLED repository on GitHub. It is a 2-layer board of 31.8 × 7.1 mm with 14 parts on 7 nets, routed with 74 tracks and 14 vias.
It is built around the WS2812B. Its parts include 4 capacitors and 4 diodes.
Main components
1README
README.mdOpenLED
Open source ws2812 LED strips in 3 different size and connector configurations.
Variants
There are 3 variants for the OpenLED:
- OpenLED LONG
- OpenLED WIDE
- OpenLED COMPACT
Variant info and BOM's
OpenLED LONG
- Dimensions: 44.2x7.1x7* (LxWxH)(mm) *Estimated
BOM (per piece)
| NAME | PURPOSE | QTY | PRICE (MOQ) | LINK | |
|---|---|---|---|---|---|
| 1 | JST SM03B-SRSS-TB(LF)(SN) | JST Connector | 2 | $0.98 | LINK |
| 2 | Worldsemi WS2812B-V5/W | LED'S | 4 | $0.55 | LINK |
| 3 | YAGEO CC0402KRX7R9BB104 | Decoupling | 4 | $0.5 | LINK |
| PCB | PCB | 1 | Varies | LINK | |
| Total | $2.03 + PCB + SHIPPING/TAXES |
- Photos
OpenLED WIDE
- Dimensions: 40.1x8x7* (LxWxH)(mm) *Estimated
BOM (per piece)
| NAME | PURPOSE | QTY | PRICE (MOQ) | LINK | |
|---|---|---|---|---|---|
| 1 | JST SM03B-SRSS-TB(LF)(SN) | JST Connector | 2 | $0.98 | LINK |
| 2 | Worldsemi WS2812B-V5/W | LED'S | 4 | $0.55 | LINK |
| 3 | YAGEO CC0402KRX7R9BB104 | Decoupling | 4 | $0.5 | LINK |
| PCB | PCB | 1 | Varies | LINK | |
| Total | $2.03 + PCB + SHIPPING/TAXES |
- Photos
OpenLED COMPACT
- Dimensions: 31.8x7.1x7* (LxWxH)(mm) *Estimated
BOM (per piece)
| NAME | PURPOSE | QTY | PRICE (MOQ) | LINK | |
|---|---|---|---|---|---|
| 1 | Worldsemi WS2812B-V5/W | LED'S | 4 | $0.55 | LINK |
| 2 | YAGEO CC0402KRX7R9BB104 | Decoupling | 4 | $0.5 | LINK |
| PCB | PCB | 1 | Varies | LINK | |
| Total | $1.05 + PCB + SHIPPING/TAXES |
- Photos
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | , , , , , | ||
| 4 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3, C4 |
| 4 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4 |
Questions
How big is the OpenLED PCB?
It measures 31.8 × 7.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OpenLED use?
14 parts, built around the WS2812B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the OpenLED KiCad files?
From the lmiez/OpenLED repository on GitHub, at the commit this page was made from: the board is OpenLED COMPACT/OpenLED.kicad_pcb and its schematic OpenLED COMPACT/OpenLED.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the OpenLED design in my own project?
Its repository states no licence, so its author keeps all rights: ask lmiez before reusing the design.
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