Browsing articles in "FIRST Tech Challenge"

Samantha module

Sep 30, 2011   //   by sam   //   FIRST Tech Challenge  //  No Comments

For the information of all FTC teams out there, the Illinois Institute of technology has done a study on the best way to attach the Samantha module to the robot. They suggest attaching the module sideways; it increases the range of the module, they say. Check out this link for more information: http://usfirst.org/roboticsprograms/ftc/samantha-lateral-mount

Bluetooth

Aug 25, 2011   //   by sam   //   FIRST Lego League, FIRST Tech Challenge  //  No Comments

Issue: Downloading programs and debugging over bluetooth is awesome. We use it a ton to have our robot drive while giving us sensor information, yet it crashes a lot. (P.S. If you’re in FLL, you ARE NOT ALLOWED TO HAVE BLUETOOTH ON. Just don’t do it. Please.)
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PID Controller

Aug 25, 2011   //   by sam   //   Blogs, FIRST Tech Challenge  //  No Comments

Scenario: You have built a robot that has encoder motors on the wheels. You turn on PID control in RobotC to make sure that the motors are spinning at the correct speed, yet when you run your program the robot doesn’t seem to drive at the correct speed, nor does it drive straight.

Issue: Your robot doesn’t drive straight, even though you have PID control turned on.
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