I am also mentoring a FIRST Robotics team. We have already had one session on trying to learn gEDA/PCB and have them etch their own boards using the PCB-in-a-box kit. But since most are running Windoze or MAC, most of the time went to just configuring a KNOPPIX live CD loaded with gEDA. I am hoping to resume the training once we ship, and have them teach others during the Arizona Regionals. I also want to have a simple kit for them to do a manual servo/Victor controller that they can use next year to test servo and motor drive parts without having the whole robot powered up or the main software running. I am planning on using an ATTiny24 to read 2 1-turn pots and an analog joystick to generate 4 PWM outputs. Do you have LEDs for both directions on every channel? That would push the pin out to 16, and require the next larger ATTiny, or maybe even an ATMega to handle that many LEDs, along with 4 analog inputs and 4 PWM outputs. Mike
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