Keyestudio 4WD Manual page 267

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Sensor-2
Or you could edit code step by step in the editing area.
（1）Click"Variables" and then click"Make a Variable...";
The dialog box"New variable name："pops up and fill it with "LL";
Click"OK"to establish variable"LL";
To establish variable "RR" in the same way;
Find and drag"set RR to 0"to"on start";
Copy"set RR to 0"once and place it to "on start";
Click the little triangle behind "RR" to choose "LL":
(3) Click"Variables"to find and drag "set RR to 0"to"forever";
Click the little triangle behind "RR"to choose LL；
Click " MecanumRobot " to find and drag to the
"0"behind "to";
Copy once and place it to"forever"指
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