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marouane-daoudi
4-layer ESP32-C3 WROOM development board with USB-C, ESD protection, LDO regulation and differential pair routing — designed in KiCad
| Reference | Value | Description |
|---|---|---|
| U1 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U2 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U3 | ESP32-C3-WROOM-02 | 802.11 b/g/n WiFi and Bluetooth 5 module, ESP32C3 SoC, RISCV microprocessor, On-board antenna |
| C1-C5 | 4u7 | Unpolarized capacitor |
| C6,C9,C10 | 100nf | Unpolarized capacitor |
| C7,C8 | 12.5pF | Unpolarized capacitor |
| D1 | PESD5V0L1UL | Low capacitance unidirectional ESD protection diode, 5V, SOD-882 |
| D2 | GREEN | Light emitting diode |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2,J3 | Conn_01x08_Pin | Generic connector, single row, 01x08, script generated |
| R1,R2 | 5.1K | Resistor |
| R3 | R | Resistor |
| R4 | TBD | Resistor |
| R5,R7-R9 | 10K | Resistor |
| R6 | 100 | Resistor |
| R10 | 1K | Resistor |
| SW1,SW2 | SW_Push | Push button switch, generic, two pins |
| Y1 | Crystal |
| Two pin crystal |