S21-158 Method to Measure Magnetic Field at AC Frequencies without Using Current Spinning Researchers at Stanford have developed a Hall-effect sensing technique shown to be more accurate and cost effective than current spinning. Anand Lalwani Ananth Yalamarthy Hannah Alpert Maximillian Holliday Debbie Senesky Carla Pinzon
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
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