There was a hardware problem on both USB cables I tried, one problably intermittent. I used a third cable (and a new Wemos) for preparing the report, and the ch341 module operated normally. Sorry for the false alert you can close the ticket.
There was a hardware problem on both USB cables I tried, one problably intermittent. I used a third cable (and a new Wemos) for preparing the report, and the ch341 module operated normally. Sorry for the false alert you can close the ticket.