2 layers40 × 30 mm
2 layers68.8 × 54 mm
Amr audio card
stonedDiscord/AMR-CardI have a motherboard with this AMR riser slot and nothing to connect to it.
- Size
- 68.8 × 54 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 3
- Nets
- 32
- Pads
- 55
- Tracks, vias
- 39, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 28 Jun 2022
- Updated
- 5 Jun 2025
Overview
Amr audio card is an open-source printed circuit board by stonedDiscord, from the stonedDiscord/AMR-Card repository on GitHub. It is a 2-layer board of 68.8 × 54 mm with 3 parts on 32 nets, routed with 39 tracks and 0 vias.
Its parts include 2 connectors and 1 IC. It belongs with the audio and music boards of this library.
README
README.mdAudio/Modem Riser in KiCad
I have a motherboard with this AMR riser slot and nothing to connect to it.
This board breaks out USB and S/PDIF
Parts
3| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | Bus_AMR | Bus-Connector:BUS_AMR | U1 |
| 1 | Conn_Coaxial | Bus-Connector:Cinch | J1 |
| 1 | USB_A | Connector_USB:USB_A_Molex_67643_Horizontal | J2 |
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Questions
How big is the Amr audio card PCB?
It measures 68.8 × 54 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Amr audio card use?
3 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 Amr audio card KiCad files?
From the stonedDiscord/AMR-Card repository on GitHub, at the commit this page was made from: the board is amr_audio_card.kicad_pcb and its schematic amr_audio_card.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Amr audio card design in my own project?
Its repository states no licence, so its author keeps all rights: ask stonedDiscord before reusing the design.