As we have learnt in previous tutorials that the XBee module can act as a Coordinator, Router or an End device but it need to be configured to work in desired mode. So before using the XBee modules ...

See tutorial here: http://airlab.itu.dk/measuring-sound-level-with-ky-037-and-arduino/ int soundPin = A1; //To pin A0 on sound module int thresholdPin = 3; //To pin ...

I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...

[](https://youtu.be/CbovaHqvdsM) [YouTube video](https://youtu.be/CbovaHqvdsM) KY-038 (KY-037) Sound ...