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kian09
A compact health monitoring device that is worn on the wrist. Its capabilities are measuring your heart rate and detecting accidental falls using an accelerometer.
| Reference | Value | Description |
|---|---|---|
| U2 | BQ24075RGT | USB-Friendly Li-Ion Battery Charger and Power-Path Management, VQFN-16 |
| U3 | TPS7A0518PDBVT | 200-mA Ultra-Low-Iq LDO, 1.8V, SOT-23-5 |
| U5 | TLV75733PDBV | 1A Low IQ Small Size Low Dropout Voltage Regulator, Fixed Output 3.3V, SOT-23-5 |
| U6 | ESP32-S3-WROOM-1-N16R8 | RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD |
| U8 | MPU-6050 | InvenSense 6-Axis Motion Sensor, Gyroscope, Accelerometer, I2C |
| U9 | MAX30102EFD+ | Heart Rate Sensor, 14-OLGA |
| 1V8,3V3,BAT1,GND1,I2C0,I2C1,SDA0,SDA1 | TestPoint | test point |
| C1,C3,C5,C7,C11,C12,C14,C19 |
|---|
| 10µF |
| Unpolarized capacitor |
| C2,C17 | 4.7µF | Unpolarized capacitor |
|---|
| C4,C6,C8-C10,C13,C15 | 0.1µF | Unpolarized capacitor |
|---|
| C16 | 2200pF | Unpolarized capacitor |
|---|
| CHG1,PGOOD1,PWR1 | LED | Light emitting diode |
|---|
| D2 | B140-13-F | 40V 1A Schottky Barrier Rectifier Diode, DO-41 |
|---|
| J1 | Conn_01x06 | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J2 | Battery Connector JST | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J3 | Barrel_Jack | DC Barrel Jack |
|---|
| R1,R7,R10 | 120Ω | Resistor |
|---|
| R2,R6,R8,R9 | 10K | Resistor |
|---|
| R3,R13-R16 | 4.7K | Resistor |
|---|
| R4 | 1.13K | Resistor |
|---|
| R5 | 1.1K | Resistor |
|---|