I had bought this DHT22 module on AliExpress. The module looks fine, but it does not work at all. I had tried lots of sketches, I tried to change the pin, I tried to change the cables, but I always have the same result: Failed to read from DHT22 sensor!.

That's what I get if I use the standard sketch DHTtester.ino:

That's what I get if I use the standard sketch DHT_Unified_Sensor.ino:

Can you help me? Or is the module corrupted?