2 layers75.5 × 71 mm
2 layers372 × 45 mm
LED V1 18
Vipul0311/Smart-RackFactory floor SMT reel tracking system with ESP32 firmware, a custom sensor PCB, and a live-monitoring desktop app
- Size
- 372 × 45 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 24
- Pads
- 92
- Tracks, vias
- 156, 21
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 23 Aug 2026
- Updated
- 23 Aug 2026
Overview
LED V1 18 is an open-source printed circuit board by Vipul0311, from the Vipul0311/Smart-Rack repository on GitHub. It is a 2-layer board of 372 × 45 mm with 26 parts on 24 nets, routed with 156 tracks and 21 vias.
It is built around the 74AHCT125D and WS2812B. Its parts include 16 diodes, 3 connectors, 1 capacitor, 1 resistor and 1 IC.
Main components
2Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 1 | 1000 uf | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | 330 ohm | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 74AHCT125 | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U1 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | D out | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J2 |
The 22 most common of 26 parts.
Questions
How big is the LED V1 18 PCB?
It measures 372 × 45 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LED V1 18 use?
26 parts, built around the 74AHCT125D and 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 LED V1 18 KiCad files?
From the Vipul0311/Smart-Rack repository on GitHub, at the commit this page was made from: the board is LED_PCB/LED_V1_18.kicad_pcb and its schematic LED_PCB/LED_V1_18.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the LED V1 18 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Vipul0311 before reusing the design.
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