Shard
Ender878
Custom ESP32-S3 development board.
Components (28)
| Reference | Value | Description |
|---|---|---|
| U1 | ESP32-S3 | Microcontroller, Wi-Fi 802.11b/g/n, Bluetooth, 32bit |
| U2 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U3,U4 | TLV76733DRVx | 1A Precision Linear Voltage Regulator, with enable pin, Fixed Output 3.3V, WSON6 |
| U5 | W25Q128JVS | 128Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
| BOOT1,RESET1 | SW_Push | Push button switch, generic, two pins |
| C1,C3,C6,C9,C13,C15 | 1uF | Unpolarized capacitor |
| C2,C14 | 2.2uF | Unpolarized capacitor |
| C4 | 10nF | Unpolarized capacitor |
| C5 | 10uF | Unpolarized capacitor |
| C7,C8,C10-C12,C16 | 0.1uF | Unpolarized capacitor |
| C17,C18 | 20pF | Unpolarized capacitor |
| C19 | 3pF | Unpolarized capacitor |
| C20 | 2.7pF | Unpolarized capacitor |
| D1,D2 | SS34 | Schottky diode |
| D3 | LED | Light emitting diode |
| D4 | WS2812B | RGB LED with integrated controller |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2-J5 | Conn_01x08 | Generic connector, single row, 01x08, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 2nH | Inductor |
| L2 | 2.4nH | Inductor |
| R1,R2 | 5.1k | Resistor |
| R3 | 220 | Resistor |
| R4 | 10k | Resistor |
| R5 | 100k | Resistor |
| R6-R10 | 0 | Resistor |
| R11 | 22 | Resistor |
| R12 | 499 | Resistor |
| Y1 | Crystal_GND24_Small | Four pin crystal, GND on pins 2 and 4, small symbol |