S19-331 Durable and Immersible Network Enabled Ammonia Sensor for Water Monitoring Stanford researchers have designed an ammonia sensor for water monitoring that is low cost, durable, immersible, and integrated into a cloud network. William Tarpeh Debbie Senesky Anand Lalwani Maximillian Holliday Linchao Mu Brandon Clark Matthew Junjie Liu Hang Dong Jinyu Guo
S19-035 No-switching AC magnetic Hall-effect measurement method Magnetic field measurements using currently available devices require complex switching circuitry to mitigate the offset and noise present in measurements. Ananth Yalamarthy Anand Lalwani Hannah Alpert Maximillian Holliday Saleh Kargarrazi Debbie Senesky