Im trying to install a esp8266 card and use this guide
first i did was
- Go to File a Preferences to open the Preferences window in the Arduino IDE.
- Copy this URL: http://arduino.esp8266.com/stable/package_esp8266com_index.json
Then i go to board manager and try to download esp8266
its here i got problem, and got this error
Fant ikke boards.txt i C:\Users\em\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.6.3. Er filen pre-1.5?
java.lang.NullPointerException
java.lang.RuntimeException: java.lang.NullPointerException
at cc.arduino.contributions.packages.ui.ContributionManagerUI.lambda$onInstallPressed$2(ContributionManagerUI.java:175)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at cc.arduino.contributions.packages.ContributionInstaller.remove(ContributionInstaller.java:276)
at cc.arduino.contributions.packages.ui.ContributionManagerUI.lambda$onInstallPressed$2(ContributionManagerUI.java:170)
... 1 more
Fant ikke boards.txt i C:\Users\em\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.6.3. Er filen pre-1.5?
Any tip whats wrong.
have the newest arduino ide and java. have also updtated my win 10.