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Custom IoT Device

Aerovit Smartwatch

Purpose-built wearable device based on the ESP32-S3 platform with premium biometric sensors for real-time fitness tracking, heart rate monitoring, and seamless app integration.

Core Specifications

Processor

ESP32-S3

Dual-Core @ 240 MHz

Biometrics

MAX30102

HR + SpO2 Sensor

Motion

QMI8658

6-Axis IMU

Display

1.69" LCD

240x280 Touch

Detailed Specifications

Processing & Memory

ChipESP32-S3-WROOM-1-N16R8
CPUXtensa LX7 Dual-Core @ 240 MHz
Flash16 MB
PSRAM8 MB
SRAM512 KB

Connectivity

BluetoothBLE 5.0
WiFi2.4 GHz 802.11 b/g/n
BLE Latency<100ms
RangeUp to 10m (BLE)
Data Rate115200 baud (UART)

Biometric Sensors

Heart RateMAX30102 PPG Sensor
SpO2Blood Oxygen Saturation
Sampling RateUp to 400 samples/sec
LED WavelengthsRed (660nm) + IR (880nm)
Resolution18-bit ADC

Motion Tracking

SensorQMI8658 6-Axis IMU
Accelerometer±2g to ±16g Range
Gyroscope±16 to ±2048 dps
Output RateUp to 8000 Hz
InterfaceI2C / SPI

Unique Features

Software innovations that make the hardware truly unique.

Implemented

Hardware Wallet Ledger

Secure on-device key storage turns your watch into a crypto hardware wallet for signing AERO transactions.

Planned

Haptic Feedback

Vibration patterns for rep validation, achievements, and workout cues without looking at screen.

Planned

Activity Detection

Automatically detect activity type from motion patterns — idle, slow walk, walk, running.

Planned

OTA Updates

Over-the-air firmware updates for new features and improvements.

Implemented

Animated UI

LVGL-powered animated watch faces and gamified visual feedback.

BLE Data Protocol

Real-time biometric data streaming over Bluetooth Low Energy.

Data Characteristics

Heart Rate0x2A37 (BPM)
SpO20x2A5F (%)
AccelerometerCustom (g)
GyroscopeCustom (dps)
Temperature0x2A6E (°C)

Performance

Update Rate

Biometric data refresh

10 Hz

Latency

End-to-end delay

<100ms

Connection

Auto-reconnect enabled

Stable

Power

BLE 5.0 optimized

Low

Hardware Implemented

Watch firmware and BLE communication functional

Advanced features in development