The WiFi PIR Wireless Passive Infrared Motion Detector is a smart home security sensor designed to detect human movement using high-precision PIR technology. It integrates with Tuya Smart APP, supports IFTTT automation, features low power consumption, real-time alerts, and easy wireless installation for modern smart security systems.
YF-S201 Water Flow Sensor measures liquid flow rates using a Hall effect sensor and outputs a digital pulse signal. Ideal for Arduino, Raspberry Pi, IoT, and smart water control systems.