On the Development of a Low-Cost Photosynthetically Active Radiation (PAR) Sensor. - Jegan Rajendran; Walter D. Leon-Salas; Xiaozhe Fan; Yizhou Zhang; Miguel A. Vizcardo; Mauricio Postigo (ISCAS, 2020)

A Self-Powered, Real-Time, LoRaWAN IoT-Based Soil Health Monitoring System. - S. R. Jino Ramson; Walter D. Leon-Salas; Zachary Brecheisen; Erika J. Foster; Cliff T. Johnston; Darrell G. Schulze; Timothy Filley; Rahim Rahimi; Martín Juan Carlos Villalta Soto; Juan A. Lopa Bolivar; Mauricio Postigo (IEEE Internet Things J., 2021)