Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...

A project for reporting street flooding levels using ultrasonic detection and sms messaging to data logging equipment. Project uses arduino MEGA microprocessor board and Simm900 GPRS board, with AT ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

I wanted to know when my rainwater well is empty and I've read about solutions using ultrasonic sound measurements. So I decided to create something like that for my rainwater well. I chose an ESP32 ...

We are currently in the process of putting in a backyard pool. This is an in-ground gunite pool. I inquired about an auto-fill system from the pool builder but he talked me out of it. He explained ...