Electroencephalogram
stephan-biomedical-engineer
This project focuses on developing a wearable Electroencephalogram (EEG) device, integrating key concepts from Internet of Things (IoT) and embedded systems for biopotential acquisition.
Components (48)
| Reference | Value | Description |
|---|---|---|
| IC1 | TPS62162QDSGRQ1 | 3V-17V 1A Automotive Step-Down Converters in 2x2SON |
| IC2 | LT3042IMSE#PBF | LINEAR TECHNOLOGY - LT3042IMSE#PBF - LDO, ADJ, 0.2A, 0V-15V, MSOP-10 |
| IC3 | STM32H730VBT6 | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| IC4 | OPA333AIDCKRG4 | TEXAS INSTRUMENTS - OPA333AIDCKRG4 - OP AMP, 350KHZ, 0.16V/uS, SC-70-5, FULL REEL |
| IC5 | W25Q512JVFIQ | 512Mb Serial NOR Flash 133MHz SOP16 |
| U1,U5,U9 | INA333xxDRG | Zero Drift, Micropower Instrumentation Amplifier G = 1 + 100kOhm/Rg, WSON-8 |
| U2,U6,U10,U17-U19 | OPA333xxDCK | Single 1.8V, microPower, CMOS Operational Amplifiers, Zero-Drift Series, SC-70-5 |
| U3,U4,U7,U8,U11,U12 | MCP602 | Dual 2.7V to 6.0V Single Supply CMOS Op Amps, DIP-8/SOIC-8/TSSOP-8 |
| C1,C9,C17,C39 | 0.1uF | Unpolarized capacitor |
| C2,C10,C18 | 330nF | Unpolarized capacitor |
| C3,C5,C11,C13,C19,C21 | 36nF | Unpolarized capacitor |
| C4,C12,C20 | 8.2nF | Unpolarized capacitor |
| C6-C8,C14-C16,C22-C24 | 300nF | Unpolarized capacitor |
| C25-C29,C31,C35 | 100nF | Unpolarized capacitor |
| C30,C40,C42 | 4.7uF | Unpolarized capacitor |
| C32 | 1uF | Unpolarized capacitor |
| C33,C34 | 2.2uF | Unpolarized capacitor |
| C37,C38 | 20pF | Unpolarized capacitor |
| C41 | 0.47uF | Unpolarized capacitor |
| C43 | 10uF | Unpolarized capacitor |
| C44 | 22uF | Unpolarized capacitor |
| CH1+1,CH1-1,CH2+1,CH2-1,CH3+1,CH3-1,REF1,TP1-TP9 | TestPoint | test point |
| D1-D4 | LED | Light emitting diode |
| FB1 | FerriteBead_Small | Ferrite bead, small symbol |
| J1 | Battery LiPO | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | Conn_01x05 | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Serial | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 2.2uH | Inductor |
| R1,R2,R6,R8 | 1M | Resistor |
| R3,R15,R27 | 2.04k | Resistor |
| R4,R16,R28 | 910k | Resistor |
| R5 | 52k | Resistor |
| R7 | 33k | Resistor |
| R9,R21,R33 | 97k | Resistor |
| R10,R22,R34 | 149K | Resistor |
| R11,R23,R35 | 276K | Resistor |
| R12,R24,R36 | 967k | Resistor |
| R13,R25,R37 | 1.93M | Resistor |
| R14,R26,R38 | 484k | Resistor |
| R17,R19,R29,R31 | 1.5k | Resistor |
| R18,R20,R30,R32 | 750k | Resistor |
| R39-R42,R44 | 1k | Resistor |
| R43,R50,R51 | 10k | Resistor |
| R45 | 33.2k | Resistor |
| R46 | 100k | Resistor |
| S1 | PCM12SMTBR | Slide Switch SPDT Surface Mount, Right Angle |
| SW2,SW3 | SW_Push_Dual | Push button switch, generic, symbol, four pins |
| Y1 | Crystal_GND24_Small | Four pin crystal, GND on pins 2 and 4, small symbol |