Description
Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. DFRobot has developed waterproof & ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc.
Note: SR04T can only work at 5V and it comes with only one working mode. Version 2.0 can work at 3.3-5V, and it provides several modes to choose from.
Resources
