Datasheet
My radio has a burnt blob on it, is it damaged?
Nope! The radios have an ink dot on them, which sometimes gets toasty when we put the board through the oven,
or rework it, so it may have a burnt appearance. The chip is fine!
© Adafruit Industries
https://learn.adafruit.com/adafruit-feather-32u4-radio-with-rfm69hcw-
module
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