Echo Dot Gen 3 - Mic Disable Circuit Reverse Engineering

Описание к видео Echo Dot Gen 3 - Mic Disable Circuit Reverse Engineering

How does the microphone disable circuit on the Echo Dot work? This video aims to look into more detail of that, along with if it's possible for malicious code on the main MPU to turn it back on. Check out http://colinoflynn.com/2020/01/amazon... for the resulting schematic.

Another in the "unedited rambling" series, so this one is long for minimal pay-off! But gives some idea to how the R.E. process works.

End Result - lots of real hardware here stopping an easy attack. One last thing to check is if the main MPU can cycle the power, as on power-on the microphone does come up "live".

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