

Twm
PCB Design Repo
- Size
- 82 × 63 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 35
- Nets
- 47
- Pads
- 148
- Tracks, vias
- 105, 47
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 22 Dec 2019
- Updated
- 1 Sep 2024
Overview
Twm is an open-source printed circuit board by wlaub, from the wlaub/pcbs repository on GitHub. It is a 2-layer board of 82 × 63 mm with 35 parts on 47 nets, routed with 105 tracks and 47 vias.
It is built around the RJ45. Its parts include 14 resistors, 9 capacitors, 6 connectors and 2 ICs. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
1Parts
35| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0 | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R6, R7, R8, R9, R10, R11, R12, R13, R14 |
| 6 | C | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C3, C4, C5, C8 |
| 5 | 470 | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R2, R3, R4, R5 |
| 5 | RJ45 | ttt_lib:MJ3225-88-0 | J1, J2, J3, J4, J5 |
| 3 | C | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C6, C7, C10 |
| 1 | Barrel_Jack | Connector_BarrelJack:BarrelJack_CUI_PJ-063AH_Horizontal_CircularHoles | J6 |
| 1 | CD4504BPWR | footprints:CD4504BPWR | U1 |
| 1 | LOGO | ttt_lib:TTT_11.1x9.5 | G*** |
| 1 | Teensy4.0_NoUnderpins | ttt_lib:Teensy40_outerpins | U2 |
The 32 most common of 35 parts.
Questions
How big is the Twm PCB?
It measures 82 × 63 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Twm use?
35 parts, built around the RJ45. 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 Twm KiCad files?
From the wlaub/pcbs repository on GitHub, at the commit this page was made from: the board is twm/twm/twm.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Twm design in my own project?
Its repository states no licence, so its author keeps all rights: ask wlaub before reusing the design.
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