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MrT-Stephens
This is my version of the Watchy by sqfmi and the website is "https://watchy.sqfmi.com".
| Reference | Value | Description |
|---|---|---|
| IC1 | W25Q128JVPIQ | IC FLASH 128M SPI 133MHZ 8WSON |
| IC2 | BMP390 | Board Mount Pressure Sensors |
| Q1 | AO3400A | |
| U1 | ESP32-S3 | Espressif Systems [ENGINEERING SAMPLES]SMD IC , Dual-Core MCU, Wi-Fi 2.4G & BLE 5.0 combo, 8 MB Octal SPI PSRAM, QFN 56-pin, 7*7 mm |
| U2 | BQ24230RGT | |
| U3,U4 | NCP167BMX330TBG | |
| U5 |
| U6 | DS3231MZ |
|---|
| U7 | BMM150 | BMM150 Series 3.6 V Surface Mount Three-Axis Geomagnetic Sensor - WLCSP-12 |
|---|
| U8 | BMA423 |
|---|
| U9 | SHT4XA |
|---|
| AE1 | Device_Antenna_Chip |
|---|
| C1,C2 | 10pF |
|---|
| C3,C5,C6,C20-C23,C31,C34 | 1uF |
|---|
| C7,C17,C33 | 0.1uF |
|---|
| C8,C9 | 4.7uF/50V |
|---|
| C10-C16 | 1uF/50V |
|---|
| C18,C19 | 4.7uF |
|---|
| C24,C32 | 10nF |
|---|
| C25-C30 | 100nF |
|---|
| C35 | 2.2nF |
|---|
| D1-D3 | MBR0530 |
|---|
| D4 | LED |
|---|
| J1 | FPC24(0.5MM) |
|---|
| J2 | USB4110-GF-A_REVB |
|---|
| J3 | Conn_01x02_Male |
|---|
| L2 | 10uH 1A |
|---|
| R1,R4 | 100k |
|---|
| R2 | 442k |
|---|
| R3,R14-R17 | 10K |
|---|
| R5 | 3 |
|---|
| R6 | 10k |
|---|
| R7 | 510R |
|---|
| R8 | 2.2k |
|---|
| R9 | 220k |
|---|
| R10,R11 | 1M |
|---|
| R12,R13 | 5.1k |
|---|
| R18,R19 | 4.7k |
|---|
| SW1-SW3 | BTN |
|---|
| SW4 | SW_Push |
|---|
| TP1,TP8,TP9 | TestPoint |
|---|
| Y1 | 40 MHz |
|---|