Development Environment
ubuntu 18.04 64 Bit (https://www.ubuntu.com/) (unity)
Eclipse Oxygen (https://www.eclipse.org/)
esp-idf commit 34401afe393904d5dba86844c8cda08fcac94227 Thu Jun 7 11:59:25 2018 +0800 (https://github.com/espressif/esp-idf)
xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-80-g6c4433a) 5.2.0 (https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz)
Arduino 1.8.4 (https://www.arduino.cc/)
arduino-esp32 commit 89859f7f4c07ce3e5d487a4b689dbda78f5d5c3a Thu May 31 20:19:10 2018 +0300 (https://github.com/espressif/arduino-esp32)
KiCad Nightly-build (http://kicad-pcb.org/)
