4 layers61.2 × 61.2 mm
Ganglion 01
OpenBCI/Ganglion_Hardware_Design_Files
General repo for Ganglion hardware files
141 parts91
4 layers56.9 × 90 mm
ThinkerHeadset
biomurph/ThinkerAFEAnalog Front End for Headset
- Size
- 56.9 × 90 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 183
- Nets
- 136
- Pads
- 600
- Tracks, vias
- 1,215, 244
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 11 Aug 2017
- Updated
- 25 Aug 2017
Overview
ThinkerHeadset is an open-source printed circuit board by biomurph, from the biomurph/ThinkerAFE repository on GitHub. It is a 4-layer board of 56.9 × 90 mm with 183 parts on 136 nets, routed with 1,215 tracks and 244 vias.
It is built around the ESP32-WROOM-32, LM7332MA and MCP6V31U-E/LT, with the TPD4E1B06DCK, 74LVC2G00GT and AP2112K-3.3 among its other parts. Its parts include 73 resistors, 64 capacitors, 30 ICs, 6 diodes and 4 connectors. It belongs with the ESP32 boards of this library.
Main components
8
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
LM7332MA
SOIC-8-16V~16V -40℃~+125℃ 1.5mA 1.6mV 14.8nV/√Hz@2kHz 15.2V/us 1uA 2 2.5V~32V 20nA 21MHz 2uV/℃ 70dB 70mA Rail-to-Rail Input, Rail-to-Rail Output SOIC-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
MCP6V31U-E/LT
SC-70-5-40℃~+125℃ 0.13V/us 1 1.8V~5.5V 120dB 130pA 21mA 23uA 300kHz 50nV/℃ 50nV/√Hz@<2kHz 5pA 8uV Rail-to-Rail Input, Rail-to-Rail Output Zero drift / auto-zero、Reverse-phase input protection SC-70-5 Precision Op Amps ROHSMicrochip TechnologyPrecision Op Amps
TPD4E1B06DCK
SC-70-6-40℃~+125℃ 0.7pF 14.5V 3A@8/20us 45W@8/20us 5.5V 500pA 7V Bidirectional ESD Four channels IEC 61000-4-2、IEC 61000-4-5 SC-70-6 ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD And Surge Protection (TVS/ESD)
74LVC2G00GT
XSON-8(1x2)-40℃~+125℃ 1.65V~5.5V 1.7V~2V 2 2 3.3ns@5V,50pF 32mA 32mA 4uA 700mV~800mV 74LVC Series NAND Gate XSON-8(1x2) Logic Gates ROHSNexperiaLogic Gates
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
MCP73833
UncategorisedMicrochip Technology
MBR120
SOD-123Schottky DiodesDoeshare
README
LibraryFiles/README.mdThinkerHeadset
Parts
183| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | 0.1uF | Capacitors_SMD:C_0603 | C1, C10, C11, C12, C13, C14, C19, C20, C24, C28, C33, C34, C35, C36, C37, C38 +12 |
| 18 | 1uF | Capacitors_SMD:C_0603 | C2, C15, C16, C17, C18, C22, C25, C27, C29, C30, C31, C32, C50, C53, C55, C58 +2 |
| 16 | 1M | Capacitors_SMD:C_0603 | R52, R53, R54, R56, R58, R60, R61, R62, R63, R65, R67, R69, R70, R71, R73, R75 |
| 15 | 100K | Resistors_SMD:R_0603 | R15, R16, R17, R18, R28, R29, R30, R32, R33, R34, R43, R44, R45, R46, R51 |
| 12 | 1K | Resistors_SMD:R_0603 | R3, R5, R9, R10, R19, R20, R21, R22, R39, R40, R41, R42 |
| 10 | 330K | Resistors_SMD:R_0603 | R11, R12, R13, R14, R27, R31, R47, R48, R49, R50 |
| 9 | MCP6V31U | ThinkerHeadset:SC-70-5 | U10, U18, U19, U20, U21, U22, U23, U24, U25 |
| 8 | 2K | Resistors_SMD:R_0603 | R23, R24, R25, R26, R35, R36, R37, R38 |
| 8 | 3.3uF | Capacitors_SMD:C_0603 | C42, C43, C44, C45, C46, C47, C48, C49 |
| 8 | 500K | Capacitors_SMD:C_0603 | R55, R57, R59, R64, R66, R68, R72, R74 |
| 8 | AD8237 | Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm | U4, U5, U6, U7, U13, U14, U15, U16 |
| 5 | 10uF | Capacitors_SMD:C_0603 | C3, C5, C6, C54, C63 |
| 3 | TPD4E1B06 | ThinkerHeadset:SC70 | U26, U27, U29 |
| 2 | 18pF | Capacitors_SMD:C_0603 | C21, C23 |
| 2 | 50 | Resistors_SMD:R_0603 | R1, R4 |
| 2 | CONN_01X05 | Socket_Strips:Socket_Strip_Angled_1x05 | P2, P3 |
| 2 | MCP3912 | Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm | U9, U11 |
| 2 | NCP551 | TO_SOT_Packages_SMD:SOT-23-5 | U30, U32 |
| 1 | 0.01uF | Capacitors_SMD:C_0603 | C41 |
| 1 | 100uF | Capacitors_SMD:C_1210 | C4 |
| 1 | 10K | Resistors_SMD:R_0603 | R6 |
| 1 | 10K/THERMISTOR | Resistors_SMD:R_0603 | TH1 |
| 1 | 12K | Resistors_SMD:R_0603 | R2 |
| 1 | 1nF | Capacitors_SMD:C_0603 | C26 |
| 1 | 74LVC2G00 | OpenBCI:VSSOP-8 | U17 |
| 1 | AP2112 | TO_SOT_Packages_SMD:SOT-23-5 | U1 |
| 1 | Crystal_Small | Crystals:Crystal_SMD_HC49-SD | Y1 |
| 1 | D_Schottky | Capacitors_SMD:C_0603 | D7 |
| 1 | ESP32-WROOM | ESP32-footprints-Lib:ESP32-WROOM | U2 |
| 1 | ESP_PROG | Socket_Strips:Socket_Strip_Straight_1x04 | P1 |
| 1 | ESP_PROG_SW | OpenBCI:PTS810 | PROG |
| 1 | JS_2_Battery | OpenBCI:JST_RA_SMT | B1 |
| 1 | LED | LEDs:LED_0603 | D4 |
| 1 | LED-CRG | LEDs:LED_0603 | D3 |
| 1 | LED-DONE | LEDs:LED_0603 | D2 |
| 1 | LM7332 | Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm | U8 |
| 1 | MBR120 | Diodes_SMD:D_SOD-123 | D1 |
| 1 | MCP73833 | Housings_SSOP:MSOP-10_3x3mm_Pitch0.5mm | U3 |
| 1 | NCP300 | TO_SOT_Packages_SMD:SOT-23-5 | U31 |
| 1 | RED | LEDs:LED_0603 | D6 |
| 1 | RESET_SW | OpenBCI:PTS810 | RESET |
| 1 | SPDT | OpenBCI:SSSS810701 SSSS810701 | SW3 |
| 1 | USB_MICRO_10118192AC | open-project:MICRO-B_USB | P4 |
Questions
How big is the ThinkerHeadset PCB?
It measures 56.9 × 90 mm and has 4 copper layers, 1.6 mm thick.
What parts does the ThinkerHeadset use?
183 parts, built around the ESP32-WROOM-32, LM7332MA, MCP6V31U-E/LT and TPD4E1B06DCK. 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 ThinkerHeadset KiCad files?
From the biomurph/ThinkerAFE repository on GitHub, at the commit this page was made from: the board is LibraryFiles/ThinkerHeadset.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ThinkerHeadset design in my own project?
Its repository states no licence, so its author keeps all rights: ask biomurph before reusing the design.
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