BEEWATCH
Krishnawa
ESP32 S3 Based smartwatch
Components (51)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2,Q4,Q9 | DMG6968U | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| Q3,Q8 | DMP1045U-7 | |
| Q5-Q7 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| U1 | ESP32-S3FH4R2 | Microcontroller, Wi-Fi 802.11b/g/n, Bluetooth, 32bit |
| U2 | LTC3549EDCB#TRMPBF | |
| U3 | MPU-6050 | InvenSense 6-Axis Motion Sensor, Gyroscope, Accelerometer, I2C |
| U4 | MCP73832-2-OT | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Open-Drain Status Output, in SOT23-5 package |
| U5 | ME6217C33M5G | |
| U7 | RYS8830 | |
| U8 | S-1206B18-M3T1G | |
| AE1 | CA-C03 | Ceramic chip antenna with pin for PCB trace |
| BT1 | 3.7V 400mAh | Single-cell battery |
| BZ1 | Buzzer | Buzzer, polarized |
| C1,C2 | 14pF | Unpolarized capacitor, small symbol |
| C3,C4 | 12pF | Unpolarized capacitor, small symbol |
| C5,C8,C19 | 1uF | Unpolarized capacitor, small symbol |
| C6,C14 | 10nF | Unpolarized capacitor, small symbol |
| C7,C22,C24 | 10uF | Unpolarized capacitor, small symbol |
| C9-C11,C15,C17,C23 | 0.1uF | Unpolarized capacitor, small symbol |
| C12 | 0R | Unpolarized capacitor, small symbol |
| C13 | 4.7nF | Unpolarized capacitor, small symbol |
| C16 | 2.2nF | Unpolarized capacitor, small symbol |
| C18 | 0.1u | Unpolarized capacitor, small symbol |
| C20,C21,C25-C27,C29-C31 | 4.7uF | Unpolarized capacitor, small symbol |
| C28 | 220pF | Unpolarized capacitor, small symbol |
| D1 | WS2812B-0807 | |
| D2-D4 | ZLLS410TA | Schottky diode |
| DS1 | GC9A01 | |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J3,J4 | Conn_02x06_Odd_Even | Generic connector, double row, 02x06, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 2nH | Inductor, small symbol |
| L2 | 5.6nH | Inductor |
| L3 | 3.3uH | Inductor |
| R1,R2 | 5K1 | Resistor, small symbol |
| R3,R5,R17,R24,R31-R37,R44,R45,R47,R50 | 10K | Resistor,Resistor, small symbol |
| R4,R23 | 5M | Resistor |
| R6,R40 | 1K | Resistor, small symbol |
| R7,R8,R19 | 22 | Resistor, small symbol |
| R9,R46 | 100 | Resistor, small symbol |
| R10 | 47K | Resistor, small symbol |
| R11,R12,R15,R16 | 4.7K | Resistor, small symbol |
| R13,R14,R28-R30,R38,R39,R41-R43,R48,R49,R51-R53 | 0 | Resistor,Resistor, small symbol |
| R18,R25 | 1M | Resistor,Resistor, small symbol |
| R20 | 22K | Resistor, small symbol |
| R21,R22 | 220 | Resistor, small symbol |
| R26 | 100K | Resistor, small symbol |
| R27 | 51K | Resistor, small symbol |
| SW1,SW2 | TK-074-4 | |
| TP1,TP2 | TestPoint | test point |
| Y1 | 40MHz | |
| Y2 | 32.768KHz | Two pin crystal |