SILICON LABS X SIGMA CONNECTIVITY

Battery-Free Wireless Sensor System with E-Ink Display

This demo showcases an ultra-low-power IoT system powered by Silicon Labs' SiWx917, a highly efficient Wi-Fi 6 SoC designed for energy harvesting applications. Operating entirely without a battery, the system is powered by indoor photovoltaic (PV) cells and maintains continuous, low-power connectivity via Wi-Fi 6 Target Wake Time (TWT) for secure and efficient data transmission.

A fully integrated web dashboard provides real-time sensor readings, while an AI-driven alert system offers customizable notifications for critical changes.

Technical Specifications

•SiWx917 Wi-Fi 6 chipset optimized for ultra-low-power operation

•E-Ink display for energy-efficient data visualization

•Wi-Fi 6 TWT for secure, power-optimized communication

•Real-time sensor data processing for temperature and humidity monitoring

•Energy harvesting via PV cells, enabling sustainable operation

•Optional AAA battery backup, extending functionality up to 8 months in low-power mode

Use Cases

Ideal for smart home automation, industrial monitoring, and environmental sensing, this maintenance-free IoT solution ensures long-term, sustainable operation with minimal upkeep.

Cost Efficiency

A truly self-sustaining IoT system powered by solar energy, with a low-cost web dashboard and AI-driven alert system requiring negligible maintenance.