ESP32 Hydroponic System, DIY Hydroponics System using pH Sensor, EC, DS18B20, & A02YYUW Sensor

Summary

This tutorial demonstrates how to build an IoT-based hydroponic system using the ESP32, various sensors (pH, EC, temperature, ultrasonic), and the Blink app for remote monitoring. The system provides real-time readings of water pH, TDS/EC, and level, with automatic control via relays based on preset thresholds. The video covers setup, sensor calibration, and safety precautions, including using signal isolators to prevent ground loops. It also discusses PCB design, prototyping, and the use of a 4G LTE module for remote areas, offering valuable tips for efficient and cost-effective implementation of the system.

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