Ai Thinker Rd 01 Human Body Sensor Module 24ghz Millimeter Wave Radar Module Induction Moduleradar Wifible Module Non Contact Human Presence Detection Sensor Millimeter Wave Radar For Smart Home Applications Rs5691ai Thinker Rd 01 Human Body Sensor Module 24ghz Millimeter Wave Radar Module Induction Moduleradar Wifible Module Non Contact Human Presence Detection Sensor Millimeter Wave Radar For Smart Home Applications Rs5691 67f415ee3520019a097e7610