WiFi connect failed: FAIL

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davem
Hi, just received my Pixl.js and Espruino Wifi boards.
- Pixl.js board working great.
- Wifi board not working great.
1) when the sample wifi code (https://www.espruino.com/WiFi#connecting-to-an-ap) is run, I get this:
```
____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v04 (c) 2019 G.Williams

Connection error: WiFi connect failed: FAIL
```
Wifi name and password correct.
Original firmware was v1.91, I updated to latest firmware (v2.04) successfully, as seen in the output above, but still had the error.

2) Espruino Wifi board runs really hot.

Seems much hotter than other boards.
(I've used Pico and the Original since the Kickstarter in 2014).
Heat seems to be coming from the STM not the ESP8266.

David

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