4 layers88.9 × 50.8 mm
4 layers29.8 × 24.3 mm
Usb programmer
wrig0421/spud-hardware- Size
- 29.8 × 24.3 mm
- Copper layers
- 4
- Thickness
- 0.8 mm
- Parts
- 22
- Nets
- 28
- Pads
- 96
- Tracks, vias
- 186, 15
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 15 Jan 2023
- Updated
- 27 Jul 2026
Overview
Usb programmer is an open-source printed circuit board by wrig0421, from the wrig0421/spud-hardware repository on GitHub. It is a 4-layer board of 29.8 × 24.3 mm with 22 parts on 28 nets, routed with 186 tracks and 15 vias.
It is built around the BSS138. Its parts include 8 capacitors, 5 connectors, 4 resistors, 2 transistors and 1 IC. It belongs with the interfaces and adapters boards of this library.
Main components
1Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 1u | Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 |
| 2 | 1M | Resistor_SMD:R_0402_1005Metric | R2, R3 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric | R5, R7 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 2 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5, J6 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x08_Male | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J4 |
| 1 | USB-C-31-M-12 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | U1 |
| 1 | USB_C_Plug | Connector_USB:USB_C_Plug_JAE_DX07P024AJ1 | P1 |
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Questions
How big is the Usb programmer PCB?
It measures 29.8 × 24.3 mm and has 4 copper layers, 0.8 mm thick.
What parts does the Usb programmer use?
22 parts, built around the BSS138. 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 Usb programmer KiCad files?
From the wrig0421/spud-hardware repository on GitHub, at the commit this page was made from: the board is Design/usb_programmer/usb_programmer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Usb programmer design in my own project?
Its repository states no licence, so its author keeps all rights: ask wrig0421 before reusing the design.