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alaotach
| Reference | Value | Description |
|---|---|---|
| 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 |
| U4 | CR2013-MI2120 | ILI9341 controller, SPI TFT LCD Display, 9-pin breakout PCB, 4-pin SD card interface, 5V/3.3V |
| U5 | PCM5102A | 2.1 VRMS, 112dB Audio Stereo DAC with PLL and 32-bit, 384kHz PCM Interface, TSSOP-20 |
| U6 | MAX98357A | Mono DAC with amplifier, I2S, PCM, TDM, 32-bit, 96khz, 3.2W, TQFP-16 |
| U7 | DS3231M | Extremely Accurate I2C-Integrated RTC/TCXO/Crystal SOIC-16 |
| U8 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| U9 | TP4056-42-ESOP8 | 1A Standalone Linear Li-ion/LiPo single-cell battery charger, 4.2V ±1% charge voltage, VCC = 4.0..8.0V, SOIC-8 (SOP-8) |
| C1,C4 | 100nf | Unpolarized capacitor |
| C2,C3,C12-C15,C20,C22 | 10uF | Unpolarized capacitor |
| C7,C8 | 12pF | Unpolarized capacitor |
| C9,C16-C19,C21 | 100nF | Unpolarized capacitor |
| D3,D4 | LED | Light emitting diode |
| J2 | MGC3031 | Generic connector, single row, 01x28, script generated |
| J3 | AudioPlug3 | Audio Jack, 3 Poles (Stereo / TRS) |
| J4 | SD_Card_Device | SD card device/card |
| J5 | Conn_02x01 | Generic connector, double row, 02x01, this symbol is compatible with counter-clockwise, top-bottom and odd-even numbering schemes., script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| LS1 | Speaker | Speaker |
| R3,R6,R12,R13 | 10k | Resistor |
| R4,R5 | 5.1k | Resistor |
| R11 | 1.2k | Resistor |
| R14,R15 | 100k | Resistor |
| RN2 | VoltageDivider | Voltage divider |
| SW3,SW4 | SW_Push | Push button switch, generic, two pins |
| Y1 | Crystal | Two pin crystal |