This is an old revision of the document!
Source: http://docs.platformio.org/en/latest/ide/atom.html#installation
This tutorial describes how to download and install PlatformIO as an Atom plugin.
xcode-select --install
PLEASE DO NOT INSTALL CLANG 4.0. PLATFORMIO TEMPORARY SUPPORTS ONLY CLANG 3.9.
If you see Failed to find MSBuild toolsets directory error in the installation console, please ignore it and press any key to close this window. PlatformIO IDE uses only Clang completion engine that should work after it without any problems.
lib_deps = ITTIoT, EmonLib, Adafruit NeoPixel, Encoder, Adafruit GFX Library, DHT sensor library, Adafruit Unified Sensor, Wemos Matrix Adafruit GFX
to the end of the framework line
(If your having uploading problems with Linux, try sudo chown username /dev/ttyUSB0)
Link for installation: http://docs.platformio.org/en/latest/ide/atom.html#installation