![Coastal Science and a Low-Cost, DIY Ultrasonic Water Level Sensor](/content/images/size/w720/2024/07/WL_gelato_sensor-1-1.png)
Coastal Science and a Low-Cost, DIY Ultrasonic Water Level Sensor
In this guest post, Grace Lower writes about low-cost, open source DIY water level sensors, their role in coastal science education and potential for flood alerts in coastal communities.