| Q1,Q3 | AO3400A | 30V Vds, 5.7A Id, N-Channel MOSFET, SOT-23 |
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| U1 | ESP32-S3-WROOM-1 | RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD |
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| U2 | Ai-Thinker-Ra-02 | Ai-Thinker Ra-02 410-525 MHz LoRa Module, SPI interface, U.FL antenna connector |
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| U3 | BQ24075RGT | USB-Friendly Li-Ion Battery Charger and Power-Path Management, VQFN-16 |
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| U4 | TLV62569DBV | High Efficiency Synchronous Buck Converter, Adjustable Output 0.6V-5.5V, 2A, SOT-23-5 |
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| U5 | BME280 | 3-in-1 sensor, humidity, pressure, temperature, I2C and SPI interface, 1.71-3.6V, LGA-8 |
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| U6 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
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| U7 | BMI270 | |
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| U8,U9 | MAX98357A | Mono DAC with amplifier, I2S, PCM, TDM, 32-bit, 96khz, 3.2W, TQFP-16 |
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| U11 | PCA9555PW | IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, TSSOP-24 |
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| C1,C3,C5 | 4.7uF | Unpolarized capacitor |
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| C2 | TBD | Unpolarized capacitor |
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| C4,C11,C13,C15,C16,C18,C20 | 10uF | Unpolarized capacitor |
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| C6,C7,C9,C10,C12,C17,C19,C21 | 100nF 6.3V | Unpolarized capacitor |
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| C8 | 1uF 25V | Unpolarized capacitor |
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| C14 | 100nF | Unpolarized capacitor |
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| D1 | LED | Light emitting diode |
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| J2,J5 | MY-18650-01 | Generic connector, single row, 01x01, script generated |
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| J3 | Conn_01x40 | Generic connector, single row, 01x40, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J4 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
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| J6 | Micro_SD_Card_Det1 | Micro SD Card Socket with one card detection pin |
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| L1 | 2.2uH | Inductor |
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| LS1 | 8Ω@1W | Speaker |
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| MK1 | Microphone_Crystal | Crystal microphone |
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| R2-R7,R19,R20,R24,R25,R35,R38 | 47K | Resistor |
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| R8-R15 | 22 | Resistor |
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| R16,R28-R30 | 0R | Resistor |
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| R17,R36,R37 | 1.2K | Resistor |
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| R18 | 1.78K | Resistor |
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| R21 | 680K | Resistor |
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| R22,R33,R34 | 150K | Resistor |
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| R23 | 330R | Resistor |
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| R26,R27 | 5.1K | Resistor |
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| R31 | 100R | Resistor |
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| R32 | 12R | Resistor |
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| RV1 | R_Potentiometer_Dual_Separate | Dual potentiometer, separate units |
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| SW1-SW7,SW9-SW23,SW25-SW31,SW33-SW39 | SW_Push | Push button switch, generic, two pins |
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| SW8 | RST | Push button switch, generic, two pins |
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| SW24 | BOOT | Push button switch, generic, two pins |
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| SW57 | MK-12C02-G020 | Switch, single pole double throw |
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| SW58 | SKRHABE010 | |
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| TP1-TP4 | TestPoint | test point |
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| TP5 | SCL | SCL |
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| TP6 | SDA | test point |
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