EEG-CAR-01 carrier board -- Rev C, UNROUTED
About the EEG-CAR-01 carrier board -- Rev C, UNROUTED
EEG-CAR-01 carrier board -- Rev C, UNROUTED is an open source ESP32 PCB design by stepvda, published on GitHub. It is a 4-layer board measuring 150 × 130 mm, with 186 components from 60 distinct parts.
Its main chip is the ESP32-S3-DevKitC-1 row A, from the ESP32 family. Other key parts include the TI OPA4376AIPWR and TI TLV3201AIDBVR. By type, the board carries 72 resistors, 54 capacitors, 30 connectors, 21 diodes, 4 ICs and 3 switches.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
TI One Voice research programme — one.witysk.org, Brussels, Belgium Board revision B · 2 September 2026
TI One Voice research programme — one.witysk.org, Brussels, Belgium Board revision B · 2 September 2026
The complete manufacturing package for EEG-CAR-01 Rev B: a battery-powered, 16-channel EEG headset built around an ESP32-S3 carrier board, together with the helmet and enclosure, the electrode harness, the firmware, the production test programme and fixtures, and all the packing, quality and regulatory documentation needed to produce the finished kit — flight case included.
Main components on the EEG-CAR-01 carrier board -- Rev C, UNROUTED
EEG-CAR-01 carrier board -- Rev C, UNROUTED bill of materials (BOM)
186 components, 60 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | TI OPA4376AIPWR OPA4376AIPW | TSSOP-14_4.4x5mm_P0.65mm | U1, U2, U3 |
| 1 | TI TLV3201AIDBVR TLV3201AIDBV | SOT-23-5 | U7 |
| 1 | Samtec SSW-112-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #1 digital | PinSocket_1x12_P2.54mm_Vertical | J1 |
| 1 | Samtec SSW-110-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #1 analogue signals | PinSocket_1x10_P2.54mm_Vertical | J2 |
| 1 | Samtec SSW-112-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #2 digital | PinSocket_1x12_P2.54mm_Vertical | J3 |
| 1 | Samtec SSW-110-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #2 analogue signals | PinSocket_1x10_P2.54mm_Vertical | J4 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip ADS #1 DAISY_IN / CLKOUT stub | PinSocket_1x04_P2.54mm_Vertical | J5 |
| 1 | Samtec SSW-122-01-G-S or equivalent 2.54 mm socket strip ESP32-S3-DevKitC-1 row A | PinSocket_1x22_P2.54mm_Vertical | J6 |
| 1 | Samtec SSW-122-01-G-S or equivalent 2.54 mm socket strip ESP32-S3-DevKitC-1 row B | PinSocket_1x22_P2.54mm_Vertical | J7 |
| 1 | Samtec SSW-114-01-G-S or equivalent 2.54 mm socket strip ES8388 codec module | PinSocket_1x14_P2.54mm_Vertical | J8 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip Codec microphone feeds | PinSocket_1x04_P2.54mm_Vertical | J9 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip ADuM4160 USB isolator, device side | PinSocket_1x04_P2.54mm_Vertical | J10 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip ATECC608B breakout | PinSocket_1x04_P2.54mm_Vertical | J11 |
| 1 | Samtec SSW-108-01-G-S or equivalent 2.54 mm socket strip Charger + fuel gauge module | PinSocket_1x08_P2.54mm_Vertical | J12 |
| 1 | JST B2B-PH-K-S(LF)(SN) 18650 protected cell | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J13 |
| 1 | Samtec SSW-112-01-G-S or equivalent 2.54 mm socket strip Helmet harness -- electrodes (12-way screened) | PinSocket_1x12_P2.54mm_Vertical | J14 |
| 1 | Staubli SLB1,5-F / LB-I1,5 DIN 42802 EMG1 cheek | DIN42802_1p5mm_Socket | J15 |
| 1 | Staubli SLB1,5-F / LB-I1,5 DIN 42802 EMG2 submental | DIN42802_1p5mm_Socket | J16 |
| 1 | Staubli SLB1,5-F / LB-I1,5 DIN 42802 EMG3 laryngeal | DIN42802_1p5mm_Socket | J17 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip Boom microphone pigtail (TRRS) | PinSocket_1x04_P2.54mm_Vertical | J18 |
Show 40 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Samtec SSW-116-01-G-S or equivalent 2.54 mm socket strip 74HC595 contact-light driver | PinSocket_1x16_P2.54mm_Vertical | J19 |
| 1 | Samtec SSW-108-01-G-S or equivalent 2.54 mm socket strip microSD breakout, SDMMC 1-bit | PinSocket_1x08_P2.54mm_Vertical | J20 |
| 1 | Samtec SSW-106-01-G-S or equivalent 2.54 mm socket strip Boom-mic preamp module (part not settled, E-14) | PinSocket_1x06_P2.54mm_Vertical | J21 |
| 1 | Samtec SSW-103-01-G-S or equivalent 2.54 mm socket strip EOG / spare electrode header | PinSocket_1x03_P2.54mm_Vertical | J22 |
| 1 | Samtec SSW-106-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #1 analogue rails | PinSocket_1x06_P2.54mm_Vertical | J23 |
| 1 | JST B2B-PH-K-S(LF)(SN) Charge input from the panel USB-C | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J24 |
| 1 | Samtec SSW-106-01-G-S or equivalent 2.54 mm socket strip Buck-boost module, TPS63020 class | PinSocket_1x06_P2.54mm_Vertical | J25 |
| 1 | Samtec SSW-106-01-G-S or equivalent 2.54 mm socket strip Debug / programming header | PinSocket_1x06_P2.54mm_Vertical | J26 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip Headphone jack pigtail | PinSocket_1x04_P2.54mm_Vertical | J27 |
| 1 | Samtec SSW-104-01-G-S or equivalent 2.54 mm socket strip Room microphone module | PinSocket_1x04_P2.54mm_Vertical | J28 |
| 1 | Samtec SSW-106-01-G-S or equivalent 2.54 mm socket strip ADS1299 module #2 analogue rails | PinSocket_1x06_P2.54mm_Vertical | J29 |
| 1 | Samtec SSW-110-01-G-S or equivalent 2.54 mm socket strip Helmet harness -- contact lights (10-way) | PinSocket_1x10_P2.54mm_Vertical | J30 |
| 1 | Bourns MF-MSMF110-2 PTC 1.1 A hold / 2.2 A trip | R_1206_3216Metric | F1 |
| 1 | Omron B3F-1052 BTN_A response (green) | SW_PUSH_6mm_H7.3mm | SW1 |
| 1 | Omron B3F-1052 BTN_B response (blue) | SW_PUSH_6mm_H7.3mm | SW2 |
| 1 | Omron B3F-1052 BTN_STOP (red) | SW_PUSH_6mm_H7.3mm | SW3 |
| 17 | Nexperia BAV99,215 BAV99 | SOT-23 | D1, D2, D3, D4, D5, D6, D7, D8 +9 |
| 3 | Nexperia BAT54S,215 BAT54S | SOT-23 | D20, D40, D60 |
| 1 | Nexperia PESD5V0S2BT,215 PESD5V0S2BT | SOT-23 | D24 |
| 1 | Murata BLM18AG601SN1D 600R at 100 MHz, 500 mA | L_0603_1608Metric | L1 |
| 19 | Murata GCM1885C1H103JA16D 10n C0G 50V | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +11 |
| 12 | Murata GRM188R61C106MA73D 10u X5R 16V | C_0603_1608Metric | C20, C40, C60, C70, C71, C72, C73, C74 +4 |
| 3 | Murata GCM1885C1H223JA16D 22n C0G 50V | C_0603_1608Metric | C22, C42, C62 |
| 18 | Murata GCM188R71E104KA57D 100n X7R 25V | C_0603_1608Metric | C23, C24, C43, C44, C50, C51, C52, C63 +10 |
| 2 | Murata GCM188R71H104KA57D 100n X7R 50V | C_0603_1608Metric | C102, C103 |
| 16 | Vishay TNPW060368K0BEEA 68k 0.1% 25ppm | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +8 |
| 12 | Vishay TNPW060310K0BEEA 10k 0.1% | R_0603_1608Metric | R20, R21, R23, R24, R40, R41, R43, R44 +4 |
| 3 | Vishay TNPW06034K99BEEA 4k99 0.1% | R_0603_1608Metric | R22, R42, R62 |
| 6 | Vishay TNPW0603215KBEEA 215k 0.1% | R_0603_1608Metric | R25, R26, R45, R46, R65, R66 |
| 3 | Vishay TNPW060322K0BEEA 22k 0.1% | R_0603_1608Metric | R27, R47, R67 |
| 3 | Vishay TNPW06032K20BEEA 2k2 0.1% | R_0603_1608Metric | R28, R48, R68 |
| 6 | Vishay CRCW060310K0FKEA 10k 1% | R_0603_1608Metric | R50, R51, R52, R81, R83, R88 |
| 8 | Vishay CRCW06031K00FKEA 1k 1% | R_0603_1608Metric | R70, R71, R72, R73, R74, R75, R76, R77 |
| 7 | Vishay CRCW06030000Z0EA 0R | R_0603_1608Metric | R78, R79, R87, R90, R91, R92, R93 |
| 1 | Vishay CRCW0603470KFKEA 470k 1% | R_0603_1608Metric | R80 |
| 1 | Vishay CRCW06031M00FKEA 1M 1% | R_0603_1608Metric | R82 |
| 2 | Vishay CRCW0603100KFKEA 100k 1% | R_0603_1608Metric | R84, R86 |
| 1 | Vishay CRCW0603150KFKEA 150k 1% | R_0603_1608Metric | R85 |
| 1 | Vishay CRCW06032K20FKEA 2k2 1% -- DNP | R_0603_1608Metric | R89 |
| 2 | Vishay CRCW06034K70FKEA 4k7 1% | R_0603_1608Metric | R94, R95 |
EEG-CAR-01 carrier board -- Rev C, UNROUTED design files
The KiCad project lives in the stepvda/EEG-kit repository on GitHub; these links point at the commit this page was built from.
EEG-CAR-01 carrier board -- Rev C, UNROUTED: common questions
What microcontroller does the EEG-CAR-01 carrier board -- Rev C, UNROUTED use?
The EEG-CAR-01 carrier board -- Rev C, UNROUTED is built around the ESP32-S3-DevKitC-1 row A, from the ESP32 family.
How big is the EEG-CAR-01 carrier board -- Rev C, UNROUTED?
The EEG-CAR-01 carrier board -- Rev C, UNROUTED measures 150 × 130 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the EEG-CAR-01 carrier board -- Rev C, UNROUTED?
186 components, from 60 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the EEG-CAR-01 carrier board -- Rev C, UNROUTED design files?
From the stepvda/EEG-kit repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the EEG-CAR-01 carrier board -- Rev C, UNROUTED design in my own project?
The repository has no license, so all rights stay with stepvda. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the EEG-CAR-01 carrier board -- Rev C, UNROUTED without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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