Low Power Sensor Technology for IoT and Wearables

This lecture covers low power sensor technology for IoT and wearables, focusing on activity sensors based on MEMS and an introduction to biosignals and biosensors. It discusses the basics of sensors, transduction mechanisms, inertial sensors, and transimpedance circuits. The lecture also explores MEMS motion sensors, accelerometers, gyroscopes, and transduction schemes for accelerometers. It delves into the implementation of capacitive MEMS accelerometers, displacement and acceleration basics, and the use of MEM capacitors. Furthermore, it addresses biosensors, biosignals, electrophysiological sensors, and wearable monitoring systems for health monitoring. The challenges for biopotential measurement systems are also discussed.