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Embedded
Smart Energy Meter
Precision Wi-Fi energy monitoring system with real-time data logging for a commercial building in South India. Features high-accuracy metering and cloud-based analytics.
The Challenge
Achieving Class 0.5 accuracy in energy measurement while maintaining a low BOM cost.
Our Solution
Used high-precision analog front-ends with custom calibration algorithms running on an ARM Cortex-M4.
Key Outcomes
- 0.4% measured error rate
- Battery life of 5+ years for wireless node
- Direct cloud integration via NB-IoT