Thanks for the replies. I was able to test the project yesterday and I'm fairly confident of its success although obviously it hasn't "stood the test...

Had some time today. I connected the 3.3V relay board to my Power Supply Breadboard box from Tech School. This was our first project and we used it ...

Thanks so much for the informative replies. I did not have time to try a different power supply. As stated I was using a header type power supply fo...

I'll try to get an actual picture. My relays were advertised as 3.3V. Where other relays have had 12V or 5V written on the relay these have 3.3. Wh...

@inq You bring up some good points. I do not have the "safety beam" sensors that most garage door openers have. The opener could be equipped with th...

@inq Thanks again for the detailed and quick response. I notice you use the method of repeating what you thought I said to confirm your understanding...

@inq Thank you so much for the very detailed reply. I have read it a few times and find that much of it agrees with my previous thinking but there ar...

I've watched Bills excellent tutorial about getting started with the ESP32. I thought I understood the two different Wi-Fi approaches, Station and So...

@zander Yes, I'm seeing your posts and appreciate your efforts. It just seemed like quite a coincidence that I happened to watch Bill's tutorial whi...

Woke up last night with one of Bill's Tutorials on my TV. It happened to show some of the many uses of the old 555 timer IC. One of the uses was a l...

@frogandtoad Again thanks for the help. After using the project for a few days now, I believe it to be where I want it to be. I finalized the enclos...

@zander and others. Thank you all for your efforts in helping me with what I thought would be just a generic IC. You are correct in that I never ex...

I'm still hoping to find a way to determine the IC number. Maybe obtaining a limited number plus the shipping and handling make this unrealistic. I...

@zander Thanks for the efforts. The markings appear to be overwritten with a black magic marker. As I said in the original post, with a failed board...