Hey everyone! I’ve been diving into the world of NodeMCU and DHT11 sensors lately, and I wanted to share my experiences and some tips that might help others who are exploring similar setups. 
I started by trying to connect multiple DHT11 sensors to my NodeMCU 8266 module. Initially, I was using pins D4, D6, and D7, but I ran into some issues where the sensors weren’t providing accurate readings. The logs kept showing errors like ‘Requesting data from DHT failed!’ and ‘Invalid readings!’. It was pretty frustrating, but I didn’t give up! 
After some research and trial and error, I figured out that the placement of the sensors and the wiring were key factors. I made sure to add pull-up resistors and double-checked the pin configurations. Now, I’m successfully using two sensors without any issues! 
Here’s a quick tip for anyone working with multiple DHT11 sensors: start with one sensor and get it working perfectly before adding more. This helps isolate any problems and ensures your setup is solid from the start. 
I’ve also been experimenting with different pin configurations and found that using GPIO2, GPIO12, and GPIO13 works well for me. Each pin has its own characteristics, so it’s worth testing them out to see which ones suit your project best. 
If you’re new to this, don’t be afraid to tinker and make mistakes. Every error is a learning opportunity, and there’s a vibrant community here to help you along the way. Let me know if you have any questions or tips to share—I’d love to hear from you! 
Happy coding and tinkering!