Chapter 04
The system
System Architecture
From wearable device to edge gateway to cloud platform and ecosystem — explore HALO like a spacecraft systems diagram.
HALO Wearable Device
Frontal forehead BCI capturing multimodal biophysiology in real time.
Inputs
- • EEG (3–8 ch)
- • PPG
- • EDA
- • IMU
- • Temperature
- • Ambient light/sound
Outputs
- • Filtered features
- • Encrypted BLE stream
Dependencies
- • ADS1299 AFE
- • STM32H7 MCU
- • Power management
- • Secure element
Specifications
- • < 100 g
- • 6–8 h battery
- • BLE 5.2
- • On-device edge processing