picture of the enclosure and robot
Update README.md

adding the enclosure and robot picture
remove large file, slowing down clones
Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples
more PWM details found in c_environment/hardware/arduino/cores/arduino/wiring_analog.c
Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples
Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples
improve servo example
Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples
Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples
help people get started if they didn't read the official docs (will they even read this? doubt it). provide how to power, username info, and settings to turn off the screensaver (so you don't get confused and this you broke the board if the screen turns off).