I don't know if anybody is still looking for an answer to this. I came across this thread because a similar thing happened to me after I made a change to my Eclipse project. (I could hardly believe it when it said it couldn't resolve "size_t" as a type.) For me, the solution was a simple mismatch th...

ESP_Sprite wrote: ↑

Sun Dec 10, 2017 8:51 am

The Sparkfun Thing has a 26MHz crystal, while esp-idf is by default configured for an 40MHz crystal. In 'make menuconfig', if memory serves under components -> esp32 specific, you can change the crystal frequency.

Even after all this time, this posting helped solve this problem for me. Thanks!

Nothing serious has happened. You have just erased the Lua interpreter. It's not completely obvious, but it's a layer on top of the normal firmware. Putting it back is fairly simple. Here are the instructions for the ESP8266. I haven't tried it with an ESP32, and I don't know if the ESP8266 firmware...