Another update.... I got my new computer.... installed it and everything ran just fine.... Until yesterday. I again got the yellow ! in my sys...

I have FINALLY located the problem. The post here mentioning about USB power issues, led me to investigate the USB and it turns out there was somet...

@zander unfortunately thsts not the case. It's something with my setup. As mentioned all my hardware worked. All My code worked. When uploaded an...

Its the serial monitor.Its RadioLib error code -2 The code compiles fine, and uploads fine. The weird thing is that this code worked just fine on ...

@noweare i just added pull down to one of the pins.

ok I solved it.... What I did. 1. I put a 10Kohm pull down resistor on Present_BIN (and of course removed the software pull_up) 2. I changed...

@zander I wonder why the need for the "tone"?Of course I know how to copy/paste and use some common shortkeys.AND Of course i did EXTENSIVE searchin...

Yes I use pull_up on the pins. But I read many many online posts, and found a few that mention that physical pull_down resistors might be the way to...

@zander Bitwise. I am al new to this... So... Bear with me. This if (pinState & (1 <<Present_PIN)) I try to Check if the pre...

Ohh yes you can be sure I value any advice I get here. I'm just starting out, never worked with any micro controller programming before and only ha...

Hi Dave This is my died project, do wasn't aware of module type ESPs. Also wasn't aware of the varieties of dev boards... Hence the on board camera...

@zander it's a freenove board. There is super compressive user guide to projects, but I don't see a datssheet for the board it self. And the power bre...

That's perfect. Thanks. Actually I found that I could lover the ma usage by 60 percent by removing the camera (even not used it pulled 2 ma) an...