*and has been common(ish) knowledge among electrical engineers for decades.* Not... | Hacker News

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		Anechoic 9 months ago \| parent \| context \| favorite \| on: Malware can turn off webcam LED and record video, ... and has been common(ish) knowledge among electrical engineers for decades. Not only is it common knowledge it's how drive-thru kiosks work! Source: I used to test microphone/speakers for a kiosk OEM.

ycombinatrix 9 months ago [–]

Is it really a single unit that acts as both the speaker and mic? Can it do both simultaneously? Is that why it sounds so trash?

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