Explore the capabilities and applications of waterproof ultrasonic distance sensors in this comprehensive video tutorial. Dive into the workings of JSN-SR04T and A02YYUW sensors, comparing them to the popular HC-SR04 for outdoor use. Learn how to connect these sensors to an Arduino Uno and write code to utilize their features. Discover the unique characteristics of each sensor, including the JSN-SR04T's single transducer design and multiple operation modes, as well as the A02YYUW's smart sensor capabilities. Follow along with outdoor tests and even underwater experiments to understand the sensors' limitations. Gain practical knowledge on implementing these waterproof sensors in various projects, with access to accompanying code and additional resources for further exploration.