Wowwwww.
That's tiny.
I have Vario sensors in my RC planes that provide real time downlink telemetry to my tx that are small, but this is really tiny.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, and HAVOC !