When I try to install the board library "Seeed nRF52 Boards by Seeed Studio Version 1.1.10" with IDE2.3.6, I get an Error:
Tool Seeeduino:CMSIS@5.7.0 already installed
Downloading packages
Seeeduino:arm-none-eabi-gcc@9-2019q4
Failed to install platform: 'Seeeduino:nrf52:1.1.5'.
Error: 2 UNKNOWN: Get "https://github.com/adafruit/arduino-board-index/releases/download/build-tools/gcc-arm-none-eabi-9-2019-q4-major-win32.zip": dial tcp 20.205.243.166:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
there is npcap about my network.But now I can install the board library "Seeed nRF52 mbed-enabled Boards by Seeed Studio "expect "Seeed nRF52 Boards by Seeed Studio Version 1.1.10".This is why?
Sorry, I may not have expressed it clearly, I mean I can't install "Seeed nRF52 Boards by Seeed Studio Version 1.1.10", but I was able to install "Seeed nRF52 mbed-enabled Boards by Seeed Studio ".My operating system is Windows,my URL is http://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json
@ptillisch, Thanks for clarifying the error message when a timeout occurs.
As @sterretje pointed out, it's probably a good idea to check connection with a browser in such a case.
Do you have access to another PC with the IDE installed and same operating system? If so, you can install the board package there and next copy it to a memory stick and take that to the problematic PC and copy it.
The board package is installed in C:\Users\yourUsername\AppData\Local\Arduino15\packages\Seeeduino.