OK, I managed to do it via python. Thanks to all for your help.

@dronebot-workshop OK, this reply slipped under the radar. I didn't see it before. so I've measured the 3.3 and indeed it is putting out 3.3V when con...

Actually, this is more in line with mine:

@dronebot-workshop Hi, I included the instructions (in italics) on the previous page. I soldered the wires to the board, then held the +/- to the ba...

What's also interesting is that my pins are opposite to the diagram. My pin 5 is actually where pin 35 is on the diagram.

OK, the first time I did it, nothing happened. But I went back to the flash download tool and tried to load the new program. No joy. I reloaded the...

@ronalex4203 Super.... Fantastic. Thanks. I shall give this a go. I feel a weight has been lifted....

@dronebot-workshop Thanks Bill. Do you have any idea why the download tool is limited to 14 lines? I have 17 to enter. That was my last hope... I'...

Hello All. I'm pulling my hair out (what's left of it) trying to find some video, illustration, step by step instruction on how to erase the fla...

@ronalex4203 Thanks.

Hi, yes, this is the same setup, except I am not using a beta version. Thanks for looking into this for me. The " I don't think it works if you co...

Great, thanks again. I'll head over there now. I'll get to the bottom of this one day!

@ronalex4203 Thanks, but you asked me for the BT version code. I know they're nothing like each other, and I'm not even comparing them. What I menti...

@ronalex4203 Hi Heltec is the company who make the board: I looked at Andreas' videos. Thanks, I'll delve further. UPDATE: I may have a part ...

@will Thanks. I'm aware that the ino file is mostly rubbish. I'm trying to piece together some kind of 'story' step by step. Yes, I cut and pasted v...