

Adapter
USB to MOST adapter
- Size
- 40 × 70 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 19
- Pads
- 63
- Tracks, vias
- 90, 0
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 29 Aug 2019
- Updated
- 22 Apr 2025
Overview
Adapter is an open-source printed circuit board by smartgauges, from the smartgauges/usb2most repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 40 × 70 mm with 13 parts on 19 nets, routed with 90 tracks and 0 vias.
Its parts include 10 connectors and 3 resistors. It belongs with the interfaces and adapters boards of this library.
README
README.mdusb2most
USB to MOST adapter to translate audio from a USB(UAC1) to MOST(Media Oriented Systems Transport) bus
Interfaces:
- 8 audio channels(16bit/48kHz) over MOST bus
- 2 audio channels(16bit/48kHz) over USB
- 4 CAN for HS/HS" and MS/MS"
- 1 LIN for analogue watch
- 1 UART for CANBUS emulation

Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0 | Resistor_SMD:R_0805_2012Metric | R1, R2, R3 |
| 2 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8, J10 |
| 2 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6, J7 |
| 2 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4, J9 |
| 2 | Conn_01x10_Male | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J2, J5 |
| 1 | Conn_01x07_Male | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J3 |
| 1 | Conn_01x10_Male | adapter:IL-AG5-10P-S3L2 | J1 |
Questions
How big is the Adapter PCB?
It measures 40 × 70 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Adapter use?
13 parts. 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 Adapter KiCad files?
From the smartgauges/usb2most repository on GitHub, at the commit this page was made from: the board is adapter-lr2/adapter.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Adapter design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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