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STD Smart Watch v3
Smart Watch v3
License
Public Domain
License: Public DomainMode:
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Update time：
2022-11-02 04:38:52
Creation time：
2022-06-16 04:30:51
Description
Description
In this stream I tackle one of my most complex PCB designs ever! This Smart Watch Design has an ESP32 for WiFi and Bluetooth connectivity, an accelerometer for activity tracking, onboard charging for the LiPo battery and more!
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10uF | C1 | C0805 | 1 |
| 2 | 100nF | C2,C3,C4 | C0603 | 3 |
| 3 | 100uF | C5 | C0805 | 1 |
| 4 | 1uF | C6,C7 | C0603 | 2 |
| 5 | SZYY0603B | LED1,LED2,LED3 | LED0603-R-RD_BLUE | 3 |
| 6 | FS8205A | Q1 | TSSOP-8_L4.4-W3.0-P0.65-LS6.4-BL-2 | 1 |
| 7 | 1kΩ | R1,R2,R5,R15 | R0603 | 4 |
| 8 | 1.2kΩ | R3 | R0603 | 1 |
| 9 | 100Ω | R4 | R0603 | 1 |
| 10 | 10kΩ | R6,R7,R8,R9 | R0603 | 4 |
| 11 | 4.7K | R10,R11 | R0603 | 2 |
| 12 | 22Ω | R12 | R0603 | 1 |
| 13 | 100kΩ | R13 | R0603 | 1 |
| 14 | 22kΩ | R14 | R0603 | 1 |
| 15 | 4*4*1.7 | SW1,SW2 | SW-SMD_4P-L5.2-W5.2-P3.70-LS6.5 | 2 |
| 16 | TS-1188A-B-A | SW3,SW4,SW5 | SW-TH_TS-1188A-B-A | 3 |
| 17 | K3-1295S | SW6 | SW-SMD_K3-1295S | 1 |
| 18 | TP4056_C725790 | U1 | ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP | 1 |
| 19 | DW01A_C351410 | U2 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL | 1 |
| 20 | 1.28 GC9A01 Round TFT LCD Screen | U3 | GC9A01 TFT LCD SCREEN | 1 |
| 21 | ESP32-WROOM-32D | U4 | WIFIM-SMD_39P-L25.5-W18.0-P1.27-BL | 1 |
| 22 | 3.7v 1800 mAh LiPo | U5 | 3.7V 1800 MAH LIPO | 1 |
| 23 | STK8BA58(LGA-12PIN) | U6 | LGA-12_L2.0-W2.0-P0.50-TL | 1 |
| 24 | MCP1700T-3302E/TT | U7 | SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR | 1 |
| 25 | U254-051N-4BH806 | USB1 | MICRO-USB-SMD_U254-051N-4BH806 | 1 |
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