SSD1306 works intermittently

That will not work on the receiver side. This should be wired like this.

Also that part requires 5V and not 3V. So you need a level shifter on the ESP's output pin.

Your two or more topics on the same or similar subject have been merged.

Please do not duplicate your questions as doing so wastes the time and effort of the volunteers trying to help you as they are then answering the same thing in different places.

Please create one topic only for your question and choose the forum category carefully. If you have multiple questions about the same project then please ask your questions in the one topic as the answers to one question provide useful context for the others, and also you won’t have to keep explaining your project repeatedly.

Repeated duplicate posting could result in a temporary or permanent ban from the forum.

Could you take a few moments to Learn How To Use The Forum

It will help you get the best out of the forum in the future.

Thank you.

I don't have another identical post.

https://forum.arduino.cc/t/ir-receiver-works-even-after-ive-physically-blocked-the-communication/615524

This is the other topic

Thank you. The problem with that thread was the code was utter rubbish. The OP did not understand microseconds. You can see this by the subtraction of 26 to the variable passed into the function. This will have had no effect because the next time that function was called that variable will have been totally overridden by value passed into the function.

There is lots more wrong with the code as well. Sorry no posters picked up on that.

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