An only slightly less simple followup circuit also ratios sensor capacitance to a reference capacitor to measure micrometers…this time linearly. Figure 1 The U1a and U1b cross-coupled Schmidt trigger ...

It's difficult to imagine a time when Apple wasn't at the forefront of the smartphone market. Yet, even those who have never owned or used a BlackBerry before are familiar with the influence the brand ...

I test over 40 smartphones a year, and I fall into a bit of a pattern. I’ll use a phone for a period of time on first release, then move on to something else. If I find myself thinking about the ...

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Asus is trying to break into the custom keyboard space without going all in, and the ROG Strix Morph 96 Wireless is its latest attempt. First unveiled at CES 2026, the board targets enthusiasts with a ...

Another year, another Android phone with a physical keyboard attempts to challenge monolithic slab phones and make a Crackberry-like comeback. Unihertz has officially opened its Kickstarter campaign ...

Capacitive displacement sensors turn tiny gaps into actionable signals. By measuring changes in capacitance as target moves, these devices deliver precise, non-contact readings of position and motion.

The Titan 2 Elite packs a keyboard and a 4-inch screen into a modern Android phone. BlackBerry fans, start your engines. There are plenty of phones that look toward the future at MWC 2026, but only a ...

Designing a custom keyboard offers the opportunity to build a device tailored to your specific needs while addressing common shortcomings of mass-produced models. NikTheMimic highlights modularity, ...

We may receive a commission on purchases made from links. Taking the DIY approach to your home electronics, while a tad risky at times, can be a cool way to bring new life to an old or broken product.

is a senior reviews editor who’s been testing tech since 2007. Previously at Wirecutter and Maximum PC. Current fixations: keyboards, DIY tech, and Linux. For my money, you simply cannot get a better ...