I was playing around with some cheap CCTV microphone modules and managed to create a monophonic spy ear bug for common DVRs. They can be directly powered from the existing CCTV camera power supply ...

Do you remember the cctv microphone review published a while ago? (https://www.edn.com/cctv-microphone-review/). This is a continuation of that post. This time my ...

Here's one way to let users know that the gadget you sold them includes a microphone that you forgot to tell them about: You can announce an over-the-air software ...

While a picture is worth a thousand words, the spoken word can be worth much more in the physical security world. Video only tells half the story, regardless of how many megapixels are captured. Audio ...

Google’s Nest smart home brand is in hot water this week after news surfaced (via Daring Fireball) that its home security system, Nest Secure, shipped with an undisclosed microphone. Google activated ...

The Nest Secure system had secret microphone that can now make the Nest Guard security hub double as Google Assistant device. Happy Safer Internet Day!?! If your IoT device secretly contained a ...