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 ...

briidea HRWL-01W used for freshwater tank in camper. Infrared range sensor for water tank. 7-32V DC The display device saves Min Max values, after power was cut off. The display has 10 LED's (10% ...

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 ...