Im using a HC-SR04 sensor to detect distance and calculate water volume. How can I use How can I upload my water volume to thingspeak by modifying my Arduino code. I already have and account and create my channel.
Hello,
You must have a wifi shield with your arduino. Calculating volume is simple maths using distance sensor and having known the cross-sectional area of the container. Now if you want to upload your data on thingspeak you must have the writeAPI key of your channel.
Here are some example codes which you may use to upload sensed data to thingspeak
Don't forget to download thingspeak library for your arduino
Regards,
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