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Re: unable to connect to Wemos D1 Mini 3.0 NodeMCU flash fir

PostPosted: Sat Apr 24, 2021 8:50 am
by jodo123
The interesting part is that I have a batch of 4 Wemos.

Two good ones: reply with boot mode:(3,6)
when resetting
This one: boot mode:(3,7)
Another one: has no power at all when connecting the mini usb

I have read that 7 means SDIO v2.0 Highspeed

Re: unable to connect to Wemos D1 Mini 3.0 NodeMCU flash fir

PostPosted: Sat Apr 24, 2021 8:53 am
by schufti
then maybe check for bad soldering ...