Tag: hardware

Fixing whining noise from a DC adapter

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I’ve stumbled upon a cute and convenient DC adapter the other day, with four USB charging ports (up to 4800 mA total), a power socket, and a tablet stand. All of that for less than € 15.

A bit later turned out there’s a pitfall, too: it produced annoying whining noise. The noise was quiet but clearly audible in silence, especially while the adapter was unloaded.

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Ambient backlighting for Samsung LED TV

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Being quite happy with my 75 inch whopper Samsung UE75HU7500, the only thing I wanted to do about it was giving it ambient backlighting. When watching TV in complete darkness your eyes get quickly tired because of the stark contrast between the bright screen and its dark surroundings. Even though this device features an ambient light sensor, which is used to automatically adjust the screen brightness, the contrast is still all too harsh.

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Nest Protect 2 review

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Intro

There was a moment when my smoke detector, which is as old as the house it’s in, had to be replaced.

And I did that with pleasure, because at that moment it started chirping regularly in a very annoying way. First once every five minutes, a bit later once a minute. And that would not be a big issue had this not been happening at 5:00 AM. And, of course, the chirping was so loud that no human being could ignore it. Just like in that scene from “Friends”.

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4K UHD TV Samsung UE75HU7500: a complete review ‣ Part 4. Smart Hub and applications

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Smart Hub

This TV has an interactive mode, the so-called Smart Hub, which offers the following four panels.

Panel one: Applications

You can install free and paid application, for which a Samsung account is required. Out-of-the-box the TV has YouTube, NetFlix, Spotify and a bunch of others. Applications can be installed on an external USB drive. And, of course, you can update and uninstall them.

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4K UHD TV Samsung UE75HU7500: a complete review ‣ Part 3. Accessories

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Even though this TV is a pricey, it doesn’t stop Samsung from trying to earn even more on their customers. Selling accessories with a five hundred percent margin is a popular way to make money among vendors.

Camera

An HDMI cable isn’t the only thing Samsung saved on. The TV is also lacking a camera out-of-the-box, which I definitely don’t appreciate, considering numerous functions it’s required for, like Skype or Motion Control.

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