DEVSFLOW Neuro Blog

Technical insights on BLE biometric streaming, EEG signal processing, and consumer neurotechnology.

Regulatory

FDA SaMD Classification for EEG Companion Apps: What Mobile Developers Need to Know

Understanding FDA Software as a Medical Device classification for EEG companion apps: device tiers, IEC 62304 compliance, and when your app crosses from wellness to medical device.

DEVSFLOW Neuro · 2026 Read More →
EEG

EEG Signal Quality Validation in Mobile Apps: What to Check Before Recording

How to validate EEG signal quality in real time on mobile: impedance checks, artifact detection, SNR thresholds, and when to warn users vs auto-reject data.

DEVSFLOW Neuro · 2026 Read More →
BLE

Synchronizing Multiple BLE Sensors on Android: Timestamps, Drift, and Correction

How to synchronize timestamps across multiple BLE biosensors on Android, covering clock drift, alignment strategies, jitter correction, and multi-modal EEG + EDA + HR recording.

DEVSFLOW Neuro · 2026 Read More →
Engineering

Battery Optimization for Continuous Biosignal Recording Apps

Practical techniques for reducing battery drain in biosignal recording apps: BLE connection interval tuning, data buffering, wake lock management, and surviving Android Doze mode.

DEVSFLOW Neuro · 2026 Read More →
BLE

How to Handle BLE Reconnection After iOS Background Termination

A deep technical guide to CoreBluetooth state restoration, peripheral identifier caching, and reconnection strategies when iOS kills your BLE app in the background.

DEVSFLOW Neuro · 2026 Read More →
EEG

How to Stream EEG Data Over BLE Without Dropping Packets on Android

A practical guide to streaming 250Hz+ EEG data over Bluetooth Low Energy on Android, covering MTU negotiation, connection intervals, and buffering strategies.

DEVSFLOW Neuro · 2026 Read More →
EEG

Building a Mobile App for a Consumer EEG Headset: Lessons from RE-AK and CLEIO

Architectural lessons from building mobile apps for consumer EEG headsets, covering on-device processing, BLE management, and clinical validation.

DEVSFLOW Neuro · 2026 Read More →
BLE

Why Most Biometric Wearable Apps Fail at Background BLE on iOS

A technical guide to maintaining BLE connections with biometric wearables in iOS background mode, covering Core Bluetooth restrictions and workarounds.

DEVSFLOW Neuro · 2026 Read More →