In my Arduino IDE (1.8.3) about a dozen board packages were installed - RP2040 from PhilHower, ESP8266 and ESP32, Thiinary Atmega4808, etc.
Now if I open Boards menu - I see only the standard Arduino AVR boards. Everything else is gone.
However, the packages folders are in place. It were installed in the portable\packages folder:
Is it possible to recovery them without reinstalling?
Hi @b707. Open File > Preferences in Arduino IDE and check to see if the URLs for each of those platforms are present in the Additional Boards Manager URLs preference. A quirk of Arduino IDE 1.x is that if you remove the URL of a platform from the Additional Boards Manager URLs field, then the IDE will no longer recognize the installation of that platform.
Thank you, it works!
You are welcome. I'm glad it is working now.
Regards,
Per
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