I wrote a bash script to easily modify the positions (or speeds on PWM commanded motor drivers) of up to eight servos. I wasn't using a script, so I made a couple mistakes in the narration. The command is "sbcontrol", not "servocontrol". The units on the screen are microseconds, not milliseconds.
The code can be found here: http://www.raspberrypi.org/phpBB3/vie...