Sensitive Tank Drive

[Ether]

As earlier responders have already stated, you want to be practicing with competition weight.

If there is some unstated reason why doing that is not your preferred approach in your unique situation, then you can adjust the joystick sensitivity by adding some code. Some examples are shown here.

[ajlapp]

I second Ether's cubic function recommendation. We've been using it on all of our customer robots lately and have been very pleased.