Azdelivery 3X SR505 Mini PIR Bewegungssensor 4,5–20V – Infrarot IR Sensor Modul Für Arduino, 100° Erfassung, 4m Reichweite, Kompakter Bewegungsmelder, HC-SR501 Alternative
Human Micro-Motion Detection Mmwave Sensor Compatible With Raspberry Pi/Pico 2W/Pico/Jetson Nano/ESP32, 24Ghz Mmwave Radar, Based On S3KM1110, Frequency Modulated Continuous Wave (FMCW) Technology