LightRail Gen3
About the LightRail Gen3 PCB
LightRail Gen3 is an open source PCB design by Lightiam, published on GitHub under the MIT license. It is a 2-layer board, with 18 components from 17 distinct parts.
Other key parts include the AMS1117-3.3, AMS1117-1.8, W25Q128JVE and LMV358. By type, the board carries 6 connectors, 4 ICs, 4 capacitors, 2 crystals, 1 diode and 1 resistor.
Main components on the LightRail Gen3
LightRail Gen3 bill of materials (BOM)
18 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | AMS1117-1.8 | SOT-223-3_TabPin2 | U2 |
| 1 | W25Q128JVE | WSON-8-1EP_8x6mm_P1.27mm_EP3.4x4.3mm | U3 |
| 1 | LMV358 | SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | SG-8002DB | Oscillator_SeikoEpson_SG-8002DB | Y1 |
| 1 | 25 MHz | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | Conn_01x03 | FanPinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | Conn_02x10_Counter_Clockwise | PinHeader_2x10_P2.54mm_Vertical | J2 |
| 1 | Conn_02x18_Counter_Clockwise | PinHeader_2x18_P2.54mm_Vertical | J3 |
| 1 | Conn_02x06_Counter_Clockwise | PinHeader_2x06_P2.54mm_Vertical | J4 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | Conn_02x05_Counter_Clockwise | PinHeader_2x05_P2.54mm_Vertical | J6 |
| 1 | D_Photo | D_SOD-323 | D1 |
| 2 | 22pF | C_0402_1005Metric | C2, C3 |
| 1 | 100nF | C_0402_1005Metric | C4 |
| 1 | 100nF | C_0603_1608Metric | C5 |
| 1 | R | R_0402_1005Metric | R1 |
LightRail Gen3 design files
The KiCad project lives in the Lightiam/LightRail-Gerber repository on GitHub; these links point at the commit this page was built from.
- LayoutLightRail_Gen3.kicad_pcb
- SchematicLightRail_Gen3.kicad_sch
LightRail Gen3: common questions
How big is the LightRail Gen3 PCB?
The LightRail Gen3 has 2 copper layers and is 2.4 mm thick.
How many components are on the LightRail Gen3?
18 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the LightRail Gen3 design files?
From the Lightiam/LightRail-Gerber repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the LightRail Gen3 design in my own project?
Yes, under the terms of its MIT license, which Lightiam chose for the repository.
