Here are the materials from a talk given at the Triangle Embedded Interest Group (TriEmbed) September 12th, 2016 meeting at North Carolina State University.

Open Document Presentation (ODP) Slides

Portable Document Format (PDF) Slides

Project motivation: The creek occasionally floods

Monitor components: Ultrasonic sensor (right), temp/humidity (bottom), Hope RF board (top-left)

Bottom view of ultrasonic sensor and temp/humidity sensors and radio/MCU carrier boad

Monitor overlooking creek with “measuring tape yagi” antenna above

Solar panel for battery charging

The measuring tape yagi and RG6 feedline