Keyestudio 4WD Manual page 237

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"on start": command block runs once to start program.
Set strip to Neopixel at pin p8 with 4 leads as RGB(GRB format)
Set variable R to 0
Set variable G to 0
Set variable B to 0
The program under the block"forever"runs cyclically.
When the value of index is in 0-3, execute the program under do block
Set variable R to random number in 10-255
Set variable G to random number in 10-255
Set variable B to random number in 10-255
Turn off all RGB on strip
Set index of 4 pcs WS2812 RGB lights to RGB(red, green, blue)
Delay in 500ms
Strip shows
Click " JavaScript"
code:
(4)Test Results:
to switch into the corresponding JavaScript
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