Keyestudio 4WD Manual page 259

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(4)Test Results:
Download code 1 to micro:bit board, dial POWER switch to ON end. Smart
car goes forward for 2s and stops for 2s.
Download code 2 to micro:bit board, the car goes forward for 2s, turns
back for 2s, turn left for 2s, turn right for 2s and stops for 2s and repeats
this pattern.
(How to download? How to quick download?)
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