Deprecating old radio APIs and fixing docs (#289)
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Peli de Halleux
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# Received Signal Strength
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> Note: This API has been deprecated! Use [on data packet received](/reference/radio/on-data-packet-received) instead.
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Find how strong the ``radio`` signal is, from `255` to `0`.
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(`255` means a weak signal and `0` means a strong one.)
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The micro:bit finds the signal strength by checking how strong it was
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the last time it ran the
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[receive number](/reference/radio/receive-number) function. That means
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[on data packet received](/reference/radio/on-data-packet-received) function. That means
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it needs to run **receive number** first.
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```sig
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@ -37,7 +39,7 @@ basic.forever(() => {
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### See also
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[receive number](/reference/radio/receive-number), [send number](/reference/radio/send-number), [on data received](/reference/radio/on-data-received)
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[on data packet received](/reference/radio/on-data-packet-received), [send number](/reference/radio/send-number), [on data received](/reference/radio/on-data-received)
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```package
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radio
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