4 layers162.6 × 61.5 mm
VersaSens HeEx
esl-epfl/VersaSens
VersaSens: An Extendable Multimodal Platform for Next-Generation Edge-AI Wearables
335 parts9
2 layers66.2 × 28.8 mm
Silent speech v1
antjyan/silent_speech_pcbPortable PCB for EMG processing and Bluetooth data transfer
- Size
- 66.2 × 28.8 mm
- Copper layers
- 2
- Thickness
- 1.2 mm
- Parts
- 20
- Nets
- 164
- Pads
- 307
- Tracks, vias
- 66, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 29 Jul 2026
- Updated
- 12 Aug 2026
Overview
Silent speech v1 is an open-source printed circuit board by antjyan, from the antjyan/silent_speech_pcb repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 66.2 × 28.8 mm with 20 parts on 164 nets, routed with 66 tracks and 0 vias.
It is built around the STM32WBA65RIV6TR and TPD4E1B06DCKR-TP. Its parts include 9 diodes, 6 connectors and 5 ICs. It belongs with the STM32 boards of this library.
Main components
2Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | TPD4E1B06DCKR | TPD4E1B06DCKR:TVS_TPD4E1B06DCKR | D1, D2, D3, D4, D5, D6, D7, D8, D9 |
| 3 | Conn_01x04 | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J1, J2, J3 |
| 2 | ADS1298xPAG | Package_QFP:TQFP-64_10x10mm_P0.5mm | U6, U7 |
| 1 | Battery | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J4 |
| 1 | CH1-8 | Connector_PinSocket_2.54mm:PinSocket_2x08_P2.54mm_Vertical | J5 |
| 1 | CH9-16 | Connector_PinSocket_2.54mm:PinSocket_2x08_P2.54mm_Vertical | J6 |
| 1 | STM32WBA65RIV6TR | STM32WBA65RIV6TR:QFN40P800X800X100-69N | U1 |
| 1 | TLV70018_SOT353 | Package_TO_SOT_SMD:SOT-353_SC-70-5 | U3 |
| 1 | TLV70030_SOT353 | Package_TO_SOT_SMD:SOT-353_SC-70-5 | U2 |
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Questions
How big is the Silent speech v1 PCB?
It measures 66.2 × 28.8 mm and has 2 copper layers, 1.2 mm thick.
What parts does the Silent speech v1 use?
20 parts, built around the STM32WBA65RIV6TR and TPD4E1B06DCKR-TP. 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 Silent speech v1 KiCad files?
From the antjyan/silent_speech_pcb repository on GitHub, at the commit this page was made from: the board is silent-speech-v1.kicad_pcb and its schematic silent-speech-v1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Silent speech v1 design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).