wifi doesn't work.

Question

I have a problem. After update (Lolin32.3_24_20.bin) wifi doesn't work. How can I fix it? Please help.

Joshua Brewster · Accepted Answer

I'm planning how to accomplish that here soon, I'm going to accumulate a few more features first before I port to a mobile app that can handle animations like these. You can see it right now via the latest chrome extension update

Joshua Brewster · Answer

I think I just realized what the issue is, as this happened to someone else. You need to send the command 'b' or 'B' to it twice via USB serial connection. It's reading for a value in the registry that isn't set yet because I changed something without realizing that would be a problem, so it's not triggering the WiFi mode. I am uploading a fix for that but you'll have to send a command via USB to get it back to WiFi mode, or reflash it with the new firmware I'm uploading via Arduino (much harder if you haven't set up Arduino yet for the ESP32)
 Use a simple extension like this to do it if you don't have arduino, as this is really quick to use. Find the correct COM port and set the baud rate to 115200, then send the command 'b' or 'B' twice. That should get it back to WiFi mode.
https://chrome.google.com/webstore/detail/arduino-chrome-serial-mon/opgcocnebgmkhcafcclmgfldjhlnacjd?hl=en