Files
system_block_diagram.mdLiPo └─ Charger / Protection └─ 3.3V Regulator ├─ ESP32 │ ├─ BLE / WiFi │ ├─ SPI → TFT │ └─ I2C → Sensors ├─ MAX30102 ├─ MPU6050 ├─ ENS160 + AHT21 └─ Haptics Driver
system_block_diagram.mdLiPo └─ Charger / Protection └─ 3.3V Regulator ├─ ESP32 │ ├─ BLE / WiFi │ ├─ SPI → TFT │ └─ I2C → Sensors ├─ MAX30102 ├─ MPU6050 ├─ ENS160 + AHT21 └─ Haptics Driver