I have seen a lot of posts regarding how to send sensor data from Arduino to Android. But my question is how can I send sensor data from Android to Arduino using bluetooth. I know about the existence of the application Serial Bluetooth Terminal, but using this app I can only send text messages that I write, not real-time sensor values. I also know about Arduino Cloud, but in my project I need to use specifically bluetooth.
Is there another app that reads the sensors and sends the data via bluetooth? Or any other way?
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