eCAD Hardware2 Devices
eHealth365
Two-Device Health Monitoring System
Smart Ring Pro + Smart Patch Pro + AI mobile hub — covering ~90% of all health metrics with just two wearable devices.
~90%
Health Metrics
2
Devices
24/7
Monitoring
Live Biometric Feed
Heart Rate72bpm
SpO₂98%
Blood Glucose94mg/dL
Body Temperature36.8°C
Two Devices, Complete Coverage
Each device is engineered for a specific sensing modality — together they cover the full health picture.
Smart Ring Pro
Vitality Hub — autonomic nervous system & movement
Heart rate + HRV (optical PPG, continuous)
SpO₂ oxygen saturation (continuous)
Body temperature (thermistor, continuous)
Sleep stages: REM / Deep / Light (nightly)
Steps & activity (accelerometer, continuous)
Stress score via HRV analysis (hourly)
Ketones via micro breath port (2× daily)
Hydration hint via skin conductance (every 4 hrs)
$299
Titanium/ceramic · No screen · Haptic feedback
4–5 days
battery
Smart Patch Pro
Chemistry Hub — blood & interstitial fluid monitoring
Blood glucose via CGM micro-sensor (every 15 min)
Sodium, potassium via sweat biosensor (every 4 hrs)
Magnesium, zinc via sweat biosensor (every 4 hrs)
Hydration via bioimpedance (3× daily)
Skin pH sensor (every 4 hrs)
Lactate during exercise (sweat sensor)
Vitamins A,C,D,E,K,B1–B12 (monthly blood cartridge)
Iron, zinc, calcium, magnesium (monthly mineral cartridge)
$199
Flexible adhesive puck · Upper arm · Weekly patch
7 days
battery
Health Metric Coverage Matrix
Filter by device to see what each one monitors.
| Health Metric | Method | Schedule |
|---|---|---|
| Heart rate & HRV | Optical PPG | Continuous |
| SpO₂ oxygen | Optical sensor | Continuous |
| Body temperature | Thermistor | Continuous |
| Sleep stages (REM/Deep/Light) | Accel + HRV | Nightly |
| Steps & activity | Accelerometer | Continuous |
| Stress score | HRV analysis | Hourly |
| Ketones | Micro breath port | 2× daily |
Pricing
Smart Ring Pro
$299
One-time purchase
Smart Patch Pro
$199
Starter kit
Weekly patch refills
$15/week
Consumable
Monthly blood cartridge
$25/month
Vitamins + minerals
Total first year: ~$1,100 (ring + patch + refills + app subscription)
Explore the Hardware Designs
Full KiCad schematics, flex PCB layouts, BOM, 3D models, and app architecture — all open-source.