Hello,
I know this has been talked about but I’m having an issue accessing the boot loader on my cubecell custom board. I’ve already read this forum post to no solution that worked for me: CubeCell Module + Custom PCB + How to Access Bootloader . Can anyone tell me where I’m going wrong? This is the error I’m getting:
Similar to the linked posts error messages but the solutions aren’t working. i followed the arduino recommended circuit on the heltec page here https://resource.heltec.cn/download/CubeCell/HTCC-AM01_V2/HTCC-AM01_Reference_Design(Arduino).pdf
This is my circuitry:
I’d appreciate some help. Thank you.