HC-SR505 Mini Infrared PIR Motion Sensor Precise Infrared Detector Module HC-SR505 small body sensing module is based on infrared technology, automatic control products, high sensitivity, high reliability, ultra-small, ultra-low-voltage operation mode. Widely used in various auto-sensing of electrical equipment, especially battery-powered automatic control products. Technical https://elecena.pl/product/16455080/mini-infrared-pir-motion-sensor 2020-04-14 https://elecena.pl/product/16455080/mini-infrared-pir-motion-sensor 2020-09-01 https://elecena.pl/product/16455080/mini-infrared-pir-motion-sensor 2021-03-02 https://elecena.pl/product/16455080/mini-infrared-pir-motion-sensor 2025-07-09