GitHub - iffah-ismail/pHLevel: This project is an IoT-based pH monitoring system that measures the pH level and publishes the data to an MQTT broker. It also allows remote control of an LED through MQTT messages. The system uses an ESP32 microcontroller, connects to Wi-Fi, and interacts with the HiveMQ public MQTT broker.

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This project is an IoT-based pH monitoring system that measures the pH level and publishes the data to an MQTT broker. It also allows remote control of an LED through MQTT messages. The system uses an ESP32 microcontroller, connects to Wi-Fi, and interacts with the HiveMQ public MQTT broker.

www.instructables.com/measure-lake-water-ph-using-ph-sensor-esp32-by-gro/