Hi @markvanhorne, To supplement @noweare's helpful answer, if the current requirement oa chosen peripheral exceeds the ESP32's GPIO output current ...

Hi videogame95, Have you looked at: Holding GPIO 0 pin low is not the only requirement to put it in bootloader mode ... make sure your board is...

Hi @robotbuilder, Thanks for your comment. As it happens, I had already trawled the links, looking for data on the Hall Effect sensors, etc., and ...

Hi @scott, This comment is probably a red herring for your problem, but as I don't have any identical equipment to test it on, all I can do is fla...

Hi Tim @tfmccarthy, Thanks for your kind replies, including the PMs. I am certainly fallible, and whilst we can't actually see each other, I ...

Hi @tfmccarthy, Please accept my full apologies if anything I wrote was incorrect or offensive, that has never been my intention. I don't thi...

Hi @lom, Sorry, I am not sure what you actually doing. Your screenshot looks somewhat different the Arduino IDE I have. I guess you have rearrange...

Hi @crash, Great to hear you found your way through the maze of confusion. Thanks for the update. Best wishes, Dave

Hi @lom, Arduino IDE (and other IDEs), are based on C++. In case you hadn't realised, the 'classic' language that spanned direct access to hardwar...

Hi @kd_lmit, Sorry I don't have any instant answers, but a quick Google brought up an old discussion, suggesting that your experience is not the ...

Hi @crash, As mentioned before, I don't have the same hardware, etc., plus limited time, so all I can offer is an untested/unresearched suggestio...

Hi @crash, Good to hear you are making progress. I suspect you can 'revive' the old boards, assuming you have the patience, etc., assuming th...

Hi @eva_402, @robotbuilder has provided some useful guidance, to which I would like to add a few details. --------- 'Acceptable trace lengt...

Hi @crash, Sorry I have been busy, so I haven't looked further into your issue, but I noticed one thing you said. I changed the Flash from 4m...

Hi @yassin, Thanks for your kind reply. As I said, this is not my area, but I recognise the 'XT30' generic shape also appears in other place...