Hello friends, I hope you all are doing great. Today, I am going to share the IoT Water Quality Monitoring System with ESP32 - Proteus Simulation , the thirteenth project of our IoT Projects series. If you have searched for a Proteus simulation of a water quality monitor with an ESP32, here is a complete one. An ESP32 measures the dissolved salts with a TDS meter, the cloudiness with a turbidity sensor and the temperature with a DS18B20 waterproof probe, decides whether the water is safe, closes a 12 V solenoid valve on the supply when it is not, and shows everything on an OLED and on a live web dashboard for your laptop and your phone. Clean water matters everywhere: in a home's rooftop tank, a school's drinking fountain, a fish farm or a small water plant. Sensors cannot replace a labora ...