I created a new project which I found here: https://www.hackster.io/KaustubhAgarwal/smart-doorbell-364e28. I changed my auth token and everything, and when i run the sketch it goes fine. However I can’t seem to connect my Blynk app to Arduino, as what my mobile app says (“Arduino UNO is offline.”). My serial monitor, however, keeps on displaying this:
Do you know what’s wrong and how I can fix it?