I have an Arduino UNO SMD it was working fine. A few days ago I tested my DHT11 sensor and it worked. Today I was staring to do work in a new project so I uploaded my code to the Arduino it showed that the code was uploaded but I soon realized that it was running the code of DHT sensor, the way i realized that is when i checked the Serial monitor, it wad printing data that was in the my DHT sensor code. So can you tell me what is going on
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