This paper presents a set of water quality PH monitor based on STM32 embedded technology, LCD display technology, communication technology, sensors and other detection technologies: industrial PH sensor is selected to detect water quality information, UI model design of water quality PH value is realized on LCD interface, and relevant information is dynamically displayed according to real-time detection data. In the aspect of communication design, this product mainly uses LORA to develop a PH information measurement system with online and offline PH data measurement function, which has the advantages of long transmission distance and enables users to check the changed PH value of water quality in a long distance. Help users to view the information data of PH value of water quality in real time and simply.
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