JSNSR04T Integrated Ultrasonic Module Why choose the JSNSR04T Reliable distance readings even in wet or dusty conditions thanks to a sealed transducer and waterproof construction. Simplifies installation with an integrated module design and a simple 4-pin interface for plug-and-play use and minimal wiring. Compact, rugged housing for easy mounting where space is limited or the environment is harsh. Stable performance across varying temperatures and damp conditions for consistent results in real-world use. What it does and how it helps Measures distance using an ultrasonic timing interface from a sealed, protected transducer to maintain accuracy where exposed sensors would fail. Reduces downtime and maintenance by keeping the sensing element protected from water and debris. Fits into projects that need straightforward wiring and fast deployment without external transducer assemblies. Key attributes Function: Ultrasonic distance detection with standard trigger/echo timing interface. Waterproof: Enclosed, sealed transducer and rugged housing allow reliable outdoor and wet-area operation. Compatibility: Works with common microcontrollers including Arduino and ESP32. Can be used with Raspberry Pi when appropriate level shifting is applied. Interface: Simple 4-pin connector for power, ground, trigger, and echo to minimize wiring complexity. Size and mounting: Compact form factor and robust housing designed for easy mounting in tight or exposed locations. Performance: Accurate, consistent readings in challenging weather, temperature shifts, and damp environments. Integration notes Uses a standard ultrasonic timing interface; control and readout follow common trigger/echo timing methods. Connects directly to most microcontrollers with the 4-pin interface. Use level shifting for Raspberry Pi if its GPIO voltage differs from the module. Minimal wiring and an integrated transducer speed up prototyping and deployment. Practical applications Outdoor water tank or sump level monitoring where rain and splashing would damage open transducers. Obstacle detection on autonomous robots operating in rain or irrigation environments. Pool edge or deck safety sensing and other wet-area distance measurements. The JSNSR04T is designed for projects that require dependable ultrasonic distance sensing in waterproof, compact, and easy-to-install form.