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Install latest Arduino IDE from arduino.cc
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Open Terminal and execute the following command (copy->paste and hit enter):
mkdir -p ~/Documents/Arduino/hardware/espressif && \ cd ~/Documents/Arduino/hardware/espressif && \ git clone https://github.com/espressif/arduino-esp32.git esp32 && \ cd esp32 && \ git submodule update --init --recursive && \ cd tools && \ python get.py
Where
~/Documents/Arduino
represents your sketch book location as per "Arduino" > "Preferences" > "Sketchbook location" (in the IDE once started). Adjust the command above accordingly if necessary! -
If you get the error below. Install the command line dev tools with xcode-select --install and try the command above again:
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcode-select --install
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Restart Arduino IDE