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yimengq
| Reference | Value | Description |
|---|---|---|
| Q1 | Q12MHz/20pF/10ppm/4P/3.2x2.5mm | |
| Q2,Q3 | BC817-40(SOT23) | |
| U1 | CH340T(SSOP20W) | |
| U6 | ESP32-WROVER-E | |
| U8 | SN74LVC1G04DBVR(SOT23-5) | |
| UEXT1 | P-B-V-10-LF | |
| C3 | 47uF/6.3V/20%/X5R/C0805 | |
| C4,C5 | 27pF/50V/5%/C0G/C0402 | |
| C7 | 22uF/6.3V/20%/X5R/C0603 | |
| C8,C28 |
|---|
| 100nF/16V/10%/X7R/C0402 |
| C20 | 1uF/10V/20%/X5R/C0603 |
|---|
| D2 | BAT54C(SOT23-3) |
|---|
| D4,D6,D7,D9 | 1N5819S4(SOD-123) |
|---|
| H1,H2 | MountingHole |
|---|
| J2,J7-J12,J20-J24 | HMTSW-102-X-X-S-X | Connector Unshrouded Header 2 Position 2.54mm Solder Straight Through Hole |
|---|
| J26 | USB_C_Receptacle |
|---|
| L3,L5 | FB0805/600R/2A |
|---|
| MICRO_SD1 | TFC-9P-1.7H(ATFFS150A01BR016) |
|---|
| R16 | NA(10k/R0402) |
|---|
| R18,R19,R32,R36,R37,R39,R48 | 10k/R0402 |
|---|
| R20,R21 | 1k/R0402 |
|---|
| R24,R46,R47 | 220R/R0402 |
|---|
| R31,R35 | 2.2k/R0402 |
|---|
| R40,R45 | 10R/R0402 |
|---|
| R44,R49 | NA/R0402 |
|---|
| RM3 | RA1206_(4X0603)_4B8_2.2k |
|---|
| SW1,SW2 | PTS815 SJM 250 SMTR LFS |
|---|