Sampling Strategy
Adaptive intervals based on temperature variance.
Cold Chain Telemetry Node
Battery-optimized sensor node with cellular backhaul and OTA updates.
Focus
Battery life, remote updates
Impact
Extended operational life while maintaining telemetry accuracy.
Stack
MSP430LTEMQTTC/C++
Timeline
A structured view of the phases and decisions that shaped the outcome.
Discovery
Analyzed thermal and connectivity constraints in transit.
Optimization
Reduced power draw with adaptive sampling and sleep modes.
Deployment
Validated telemetry reliability in pilot routes.
Diagrams
Key systems and data flows that framed the implementation.
OTA Updates
Cellular update flow with rollback protection.
Evidence
Evaluation-focused summary of security, reliability, and testing evidence.
Security & Provisioning
OTA & Reliability
Validation & Testing
- Extended battery life across long-haul shipments.
- Maintained telemetry accuracy despite harsh conditions.
- Enabled remote firmware updates post-deployment.