Pyroelectric Infrared Motion Sensors KEMET Pyroelectric Infrared Motion Sensors offer a 1.75V to 3.6V supply voltage range, 1µA to 23µA supply current, and digital or analog output. The QMS series features industry standard I2C communication that enables plug-and-play connectivity to microcontrollers. KEMET Pyroelectric Infrared Motion Sensors are ideal for PC monitors, rice cookers, lighting, and home appliances.