Uploading

Uploading code to the module

To upload to the module configure the following pins

Pin	Level
CH_PD	High
GPIO0	Low
GPIO2	High
Pinout is in [[Hardware versions	Hardware_versions]]

Uploading

Windows (tnx to zoutepopcorn)

Use python 2.7.8 NOT python 3! https://www.python.org/downloads/

Install lib: pyserial-2.7 http://pyserial.sourceforge.net/pyserial.html

use command ..... --port COM3 ...... under windows.

esptool.py

This will upload the first part of the software to the esp

esptool.py --port /dev/ttyUSB0 write_flash 0x00000 0x00000.bin

This will upload the second part (sometimes a reset is needed)

esptool.py --port /dev/ttyUSB0 write_flash 0x40000 0x40000.bin

There are some cases that the upload fails with "Failed to leave Flash mode" this is normal your upload went without issues.