

WL-3
- Size
- 29.2 × 59.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 24
- Pads
- 52
- Tracks, vias
- 62, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 15 Nov 2023
- Updated
- 15 Nov 2023
Overview
WL-3 is an open-source printed circuit board by paripalpp, from the paripalpp/WL-3 repository on GitHub. It is a 2-layer board of 29.2 × 59.7 mm with 10 parts on 24 nets, routed with 62 tracks and 0 vias.
It is built around the MCP2551-I/SN-HG. Its parts include 3 connectors, 2 capacitors, 2 resistors and 2 ICs.
Main components
1Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | Conn_01x04_Socket | Connector_JST:JST_XA_S04B-XASK-1_1x04_P2.50mm_Horizontal | J1, J2 |
| 1 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 47u | Capacitor_SMD:CP_Elec_6.3x7.7 | C2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | M5STAMP-C3/C3U | Boad_dev:M5STAMP-C3C3U_SMD | U1 |
| 1 | MCP2551-I-SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
Questions
How big is the WL-3 PCB?
It measures 29.2 × 59.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the WL-3 use?
10 parts, built around the MCP2551-I/SN-HG. 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 WL-3 KiCad files?
From the paripalpp/WL-3 repository on GitHub, at the commit this page was made from: the board is WL-3.kicad_pcb and its schematic WL-3.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the WL-3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask paripalpp before reusing the design.
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