I tried create a web based data visualization in farm pond water quality monitoring. So , insert water quality sensor data to MySQL database . this data comes form sensor to db every 5 minute.
i wanted to visualize these data to large scale area chart. I tried to get data from MySQL by using php file. But don’t understand how that data feed to graph generation in Realtime a basic,
please help. example code in echart website i download and try to modify it as i require.