The microbit can connect with app inventor by bluetooth but when in push the button to turn on the led, error 3300 shows up like the image below. I uploaded the extentions for bluetooth and microbit LED. How can i fix this. and I read the old post which is same cases like me. but the replies said the bluetooth extention is old. I used 20200828 version of bluetooth extention.
Please show your blocks.
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have you solved it?
Please set the BluetoothDevice property.