Board is unknown with Git version and 1.6.7

[networxnet]

When i use Git version with 1.6.7 as described in the newest read.me i still have
"Board nodemcuv2 (platform esp8266, package esp8266) is unknown" error.

For my understanding it should work with 1.6.7 now?!

Can somebody please verfiy.

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[Links2004]

check your arduino dir you may have staring and stable mixed

[networxnet]

C:\Program Files (x86)\Arduino only?

[Links2004]

some think like: C:\Users[username]\AppData\Roaming\Arduino15\packages\esp8266\hardware

[networxnet]

Sorry maybe a stupid question but i'm confused now. Readme is a bit minimalistic at this part and says:

Install Arduino 1.6.7
Go to Arduino directory
Clone this repository into hardware/esp8266com/esp8266 directory (or clone it elsewhere and create a symlink)

What is the full path ?
C:\Program Files (x86)\Arduino\hardware\esp8266com\esp8266
or
C:\Users[username]\AppData\Roaming\Arduino15\packages\esp8266\hardware\esp8266com\esp8266

[andig]

Duplicate of #1377 ?

[igrr]

The issue seems to come from different FQBN's when using boards manager package version and git version.
In boards manager package, FQBN is esp8266:esp8266:nodemcuv2.
In git version, if you follow instructions in readme, it will be esp8266com:esp8266:nodemcuv2.
So if Arduino has saved the latest board selection as esp8266:esp8266:nodemcuv2, then once you install git version, IDE will no longer be able to find the board. I think selecting a different board (like one of the AVR boards) and then selecting NodeMCU again should fix this.

Regarding the installation directory, you should place the git copy into Arduino program directory (which may be in Program Files or in another place, depending on where you have placed your copy of Arduino software).

The path mentioned by @Links2004 is where Arduino IDE places downloaded boards manager packages itself. If you use git version, make sure you don't have the esp8266 package in that directory, or it will actually be used instead of your git copy.

[igrr]

@networxnet any feedback?

[tectiv3]

I have the same issue:

Board generic (platform esp8266, package esp8266) is unknown
Error compiling for board Generic ESP8266 Module.

OSX Arduino 1.6.8, 2.1 stable or 2.0 - doesn't matter. But folder Documents/Arduino/Hardware is empty.

[ericcastro]

having the same issue in Mac OS X

[anhhuy0501]

I have same issue on Windows 10, Arduino 1.6.8, Installing with Boards Manager. Version 2.1 stable or -rc2 is the same. The error when compile:

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware "C:\Program Files (x86)\Arduino\hardware" -hardware "C:\Users\nguyen\AppData\Local\Arduino15\packages" -tools "C:\Program Files (x86)\Arduino\tools-builder" -tools "C:\Program Files (x86)\Arduino\hardware\tools\avr" -tools "C:\Users\nguyen\AppData\Local\Arduino15\packages" -built-in-libraries "C:\Program Files (x86)\Arduino\libraries" -libraries "C:\Users\nguyen\Documents\Arduino\libraries" -fqbn=esp8266:esp8266:generic:UploadTool=esptool,CpuFrequency=80,FlashFreq=40,FlashMode=dio,UploadSpeed=115200,FlashSize=512K64,ResetMethod=ck,Debug=Disabled,DebugLevel=None____ -ide-version=10608 -build-path "C:\Users\nguyen\AppData\Local\Temp\buildb2853698f701ebc78fb285fce0ae6bdb.tmp" -warnings=none -prefs=build.warn_data_percentage=75 -verbose "C:\Users\nguyen\Documents\Arduino\read_flash_id\read_flash_id.ino"

Board generic (platform esp8266, package esp8266) is unknown
Error compiling for board Generic ESP8266 Module.

It was ok when I use it in the Arduino 1.6.7. The problem appear when upgrade to 1.6.8. There is no folder name
C:\Users[username]\AppData\Roaming\Arduino15\packages\esp8266\hardware
or:
C:\Program Files (x86)\Arduino\hardware\esp8266com\esp8266

Any suggestion is appreciate.

[anhhuy0501]

I lucky solve the problem by:

Go to the folder:

C:\Users\[username]\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\

In this folder, in my case, there are 2 version folder. I delete the older ver folder and everything working fine again.

[matroll]

thanks @anhhuy0501 !!
i'be been getting frustrated with this for about an hour and was about to go back to 1.6.6
glad i found this post - cheers