Diagnostic Signals
Key metrics tracked for predictive maintenance alerts.
Smart HVAC Controller
Firmware for connected HVAC nodes with predictive diagnostics and energy tuning.
Focus
Diagnostics, low-power
Impact
Reduced field service calls through proactive alerts.
Stack
SAMDBLEMQTTC/C++
Timeline
A structured view of the phases and decisions that shaped the outcome.
Assessment
Reviewed telemetry and field failures with the service team.
Firmware Upgrade
Added predictive diagnostic rules and tuned power profiles.
Launch
Rolled out firmware with staged deployment monitoring.
Diagrams
Key systems and data flows that framed the implementation.
Power Modes
Runtime states aligned to HVAC duty cycles.
Evidence
Evaluation-focused summary of security, reliability, and testing evidence.
Security & Provisioning
OTA & Reliability
Validation & Testing
- Reduced HVAC downtime through proactive alerts.
- Improved energy usage with smarter scheduling.
- Created telemetry dashboards for remote monitoring.