2 layers31.8 × 7.1 mm
2 layers44.2 × 7.1 mm
OpenLED
lmiez/OpenLEDOpensource LED board for betaflight drones using WS2812B LED's
- Size
- 44.2 × 7.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 7
- Pads
- 40
- Tracks, vias
- 82, 16
- 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 44.2 × 7.1 mm with 16 parts on 7 nets, routed with 82 tracks and 16 vias.
It is built around the WS2812B and SM03B-SRSS-TB(LF)(SN). Its parts include 4 capacitors, 4 diodes and 2 connectors.
Main components
2
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
SM03B-SRSS-TB(LF)(SN)
SMD,P=1mm,卧贴-25℃~+85℃ 1 1A 1mm 1x3P 2.9mm 3 3P 4.32mm 50V 5mm Auxiliary Solder Pin Copper alloy PA SH Surface Mount, Right Angle Tin UL94V-0 White SMD,P=1mm,卧贴 Wire To Board Connector ROHSJSTWire To Board Connector
README
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
16| 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 |
| 2 | SM03B-SRSS-TB | Connector_JST:JST_SH_SM03B-SRSS-TB_1x03-1MP_P1.00mm_Horizontal | CN1, CN2 |
Questions
How big is the OpenLED PCB?
It measures 44.2 × 7.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OpenLED use?
16 parts, built around the WS2812B and SM03B-SRSS-TB(LF)(SN). 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 LONG/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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