Network World Building a Raspberry Pi -powered Barkometer, Part 4 Network World In Part 3 of my epic series “Building a Raspberry Pi -powered Barkometer”, I covered how to capture audio using the arecord command and how I'd discovered that I got better sound out of an old USB webcam than the fancy-schmancy (but very cheap) USB …
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Building a Raspberry Pi-powered Barkometer, Part 4 – Network World
Network World Building a Raspberry Pi -powered Barkometer, Part 3 Network World In the last two parts of the Barkometer, which is an IoT project to prove that my dog is not a barkoholic, I discussed the hardware and my problems with getting a clean recording. It turns out, much to my irritation, that the Sabrent USB 2.0 External 2 ..
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Building a Raspberry Pi-powered Barkometer, Part 3 – Network World
Network World Building a Raspberry Pi -powered Barkometer, Part 2 Network World The answer was simple; connect the sound card to the Raspberry Pi USB port by an extension cable and voila! RF noise minimized. If I had used a Raspberry Pi 3 Model B board which has 802.11n built in I wouldn't need the Wi-Fi adapter but I doubt …
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Building a Raspberry Pi-powered Barkometer, Part 2 – Network World
Network World Building a Raspberry Pi -powered Barkometer, Part 1 Network World I recently had a visit from my local animal control department. A youthful, uniformed guy rang the doorbell and handed me a letter. He told me that there had been a complaint from a neighbor (he, of course, was not at liberty to reveal the identity of …
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Building a Raspberry Pi-powered Barkometer, Part 1 – Network World