I've got an update on this. The original board was actually malfunctioning because it would not even enumerate properly on MacOS which the new board does without any issues. However, the behavior I saw on Windows with the devices appearing and disappearing applies to the esp-prog board too. I fixed ...

Many thanks for the reply. I've tried three different cables, a nearly new amazon basics micro usb (also tested with mbed -> STLink and working fine), a generic micro usb that I've had some time, also tested with another esp32, esp8266, and MKR with all working fine. Same in all cases. I've even got...

I was hoping that I'd just overlooked something fairly basic and would be quickly corrected, but that doesn't seem to be the case. I've not seen this behavior before and suspect there is some kind of issue with signal or power lines to the FTDI chip as it's constantly cycling through appearing then ...

I have a rather odd problem that has recently started to occur with a Wrover developer kit 1.4 (with ILI9341 LCD); which prior to this appeared to be working correctly. Environment: Mac book pro running Catalina, (even rebuilt the Mac today to ensure it's not an OS problem) Windows 10 device running...