Keyestudio KS4028 Manual page 265

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7.5. Test Result2:
Upload the test code 2 to the micro:bit，plug in power, dial the DIP switch
to ON and press"1"on the rocket switch.
You can view four WS2812RGB lights light up，like a flowing light.
(How to download? How to quick download?)
(8)Test Code 3:
The route to get test codes（How to load?）
265