administers grant 4EvAirSense: a retrofittable, self-powered and maintenance-free LoRa wireless indoor air quality sensing platform for ventilation improvement enabling safe and healthy environments Commercialising sustainable, battery-free digital wayfinding beacons for indoor navigation Development of a self-powered wireless IoT mesh network platform for asset tracking, monitoring and wayfinding applications High efficient III-V on Silicon Energy Harvesting devices for low cost battery-free IoT applications