A couple of months ago, I found this link describing the USB protocol for a robotic arm that I spotted in a shop previously.
Documentation for retroScreen (work in progress)
- Installing Software
- Running the Screen
- Using GPS
- Getting a script to run at boot
Personal preferences may vary, but I find it easier to solder the screen first, then solder on the header. The side of the board facing up is the side with all the labels for the breakouts and the outline for the screen as shown below: