For example, let's say our common walkie-talkie is 2.4G. 2.4G is a cheap and long propagation distance solution.
If you want to do this 2.4G experiment, you need at least two pieces of Micro:bit Oh ~
There are three main categories
Initializing the block.
Sending the building block.
Receiving blocks.
Be sure to note that the boards that communicate with each other, must be set to a wireless group inside, or you can not receive.
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