goose45
yuhao-kuo
45% keyboard PCB project.
Components (20)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32F103CBTx | |
| U2 | USBLC6-2SC6 | |
| U3 | TLV75533PDBV | |
| C1,C10,C11 | 1uF/16V | |
| C2-C5,C8,C9 | 100nF/16V | |
| C6,C7 | 22pF/50V | |
| C12,C13 | 100uF/16V | |
| D2-D46,D48 | 1N4148 | |
| J1 | USB connector | |
| J2 | SPI | |
| J3 | Debugger | |
| R1,R2,R5,R9-R14,R21,R22,R25 | 10K/5% | |
| R3,R4 | 100K/5% | |
| R15,R18 | 22R/5% | |
| R19 | 1.5K/5% | |
| R23 | 39K/5% | |
| R24 | 100R/5% | |
| SW1 | Conn_01x02_Female | |
| SW2-SW37,SW37_1,SW38,SW38_1,SW39,SW39_1,SW40,SW40_1,SW41,SW41_1,SW42-SW44,SW44_1,SW45,SW46,SW48 | SW_Push | |
| X1 | Crystal_GND24 |