=== WiFi ===
If you have a WiFi stick that is directly compatible with Raspbian, follow the instructions bellow. If it's not, then you'll need to troubleshoot with Google.
[http://www.debuntu.org/how-to-wifi-roaming-with-wpa-supplicant/ WPA supplicant setup] with different settings for different networks
== Screen blanking ==
add the following lines to /etc/xdg/lxsession/LXDE/autostart, remove the line with the screensaver option
@xset s off
@xset -dpms
@xset s noblank
== Software ==
[https://projects.drogon.net/raspberry-pi/wiringpi/the-gpio-utility/ Documentation]
[https://github.com/sarfata/pi-blaster PWM library]