Grove - Water Sensor (RC0603JR) Detect water with ease using the Grove - Water Sensor (RC0603JR). This module identifies the presence of water by measuring conductivity through its exposed PCB traces, making it ideal for applications like leak detection, water level monitoring, or environmental projects. Fully compatible with Grove systems, it offers seamless integration and reliable performance. Whether you're working on DIY projects, smart devices, or educational experiments, this sensor is a versatile and user-friendly choice.