Keyestudio 4WD Manual page 226

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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
The program under the block"forever"runs cyclically.
For index from 0 to 3, execute the program under do block
Turn off 4 pcs WS2812 RGB lights
Set index of WS2812 RGB lights to red color
Strip shows
Delay in 100ms
For index from 0 to 3, execute the program under do block
Turn off 4 pcs WS2812 RGB lights
Set index of WS2812 RGB lights to orange color
Strip shows
Delay in 100ms
For index from 0 to 3, execute the program under do block
Turn off 4 pcs WS2812 RGB lights
Set index of WS2812 RGB lights to yellow color
Strip shows
Delay in 100ms
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