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matthewlai
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N7002 | 0.115A Id, 60V Vds, N-Channel MOSFET, SOT-23 |
| U1 | ESP32-C3-WROOM-02 | 802.11 b/g/n WiFi and Bluetooth 5 module, ESP32C3 SoC, RISCV microprocessor, On-board antenna |
| U2 | XC6220B331MR | 1A, Low Drop-out Voltage Regulator, Fixed Output 3.3V, SOT-23-5 |
| U3 | PCA9546APW,118 | |
| U5-U7,U9 | DRV2605YZFR | |
| U8 | TP4054 | Constant-current/constant-voltage linear charger for single cell lithium-ion batteries with 2.9V Trickle Charge, 4.5V to 6.5V VDD, -40 to +85 degree Celsius, TSOT-23-5 |
| C1-C6,C10,C11 | 1uF | Unpolarized capacitor |
| C7-C9,C12 | 10u | Unpolarized capacitor |
| C13,C14,C17-C21 | 47u | Unpolarized capacitor |
| C15,C22 | 100n | Unpolarized capacitor |
| C16 | 22u | Unpolarized capacitor |
| D1 | W | |
| D2 | R | |
| D3 | G | |
| D6 | YELLOW | Light emitting diode |
| J1 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
| J2 | Conn_01x08 | Generic connector, single row, 01x08, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | Conn_01x02_Socket | Generic connector, single row, 01x02, script generated |
| J4 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| M1 | DNP | |
| R1,R2 | 5.1k | Resistor |
| R3,R5,R6,R8-R12,R14,R15 | 2.2k | Resistor |
| R4 | 3.3k | Resistor |
| R7,R23,R24 | 10k | Resistor |
| R13,R16 | 100 | Resistor |
| R17 | 680 | Resistor |
| R18 | 1R | Resistor |
| SW2 | SW_SPDT | Switch, single pole double throw |
| SW3 | TS-1187A-B-A-B |