Water Level Sensor is a simple and reliable module that detects and measures water levels using analog signal output. Compatible with Arduino, Raspberry Pi, ESP32, and widely used in IoT, smart farming, and robotics projects.
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.