| U2 | ESP32 | ESP32 is a single 2.4 GHz Wi-Fi-and-Bluetooth combo chip designed with the TSMC ultra-low-power 40 nmtechnology. |
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| U5 | LSM6DS3TR-C | I2C/SPI, iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope |
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| AE1 | Antenna | Antenna |
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| C1-C5,C28,C35,C36,C38,C41,C42,C45,C68,C72,C73,C75,C81 | 1uF | Unpolarized capacitor, small symbol |
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| C6-C20 | 22uF | Unpolarized capacitor, small symbol |
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| C21 | 10nF | Unpolarized capacitor, small symbol |
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| C22 | 3.3nF | Unpolarized capacitor, small symbol |
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| C23,C24 | 12pF | Unpolarized capacitor, small symbol |
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| C25,C26 | 18pF | Unpolarized capacitor, small symbol |
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| C27,C34,C54,C57,C65,C66,C71,C76 | 4.7uF | Unpolarized capacitor, small symbol |
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| C29-C33,C37,C39,C40,C43,C44,C46-C48,C51,C52,C55,C56,C58,C60,C62,C64,C67,C70,C77-C80,C82 | 100nF | Unpolarized capacitor, small symbol |
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| C49,C50,C53,C59,C61,C63,C74 | 10uF | Unpolarized capacitor, small symbol |
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| C83,C84 | 16pF | Unpolarized capacitor, small symbol |
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| L1-L4 | 1uH | Inductor, small symbol |
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| L5 | L_Small | Inductor, small symbol |
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| LS1 | Speaker | Speaker |
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| R1 | 20k | Resistor |
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| R2,R4-R8 | 4.7k | Resistor |
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| R3 | 634k | Resistor |
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| R9 | 240 | Resistor |
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| SW1 | SW_Push | Push button switch, generic, two pins |
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| TH1 | Thermistor_NTC | Temperature dependent resistor, negative temperature coefficient |
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| TP1-TP14 | TestPoint | test point |
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| Y1 | 40MHz | Four pin crystal, GND on pins 2 and 4, small symbol |
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| Y2 | 32.768KHz | Two pin crystal, small symbol |
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| Y3 | 24MHz | Four pin crystal, GND on pins 2 and 4, small symbol |
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