Order your pcb design at jlcpcb for $2 (24 hours turnaround time). This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...

A series where we find out which products the professionals (who really know what they’re talking about) actually use and really stand behind. Read more here. Maybe you’ve seen an influencer gliding ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

A new light-driven cancer therapy uses LEDs and tin nanoflakes to kill tumors safely and affordably. Developed by teams in Texas and Portugal, it eliminates up to 92% of skin cancer cells without ...

Apple successfully released the new iPhone 17 lineup and iPhone Air with promising features to improve the user experience, but something went under the radar during the announcement. One new feature ...

Apple is giving iPhone 17 users the option to disable PWM dimming in iOS 26, a move that could ease eye strain and flicker sensitivity. While limited to the iPhone 17 series for now, this ...

Google Pixel 10 rumors are coming thick and fast these days as we close in on the launch date in just a few months. Last week, we learned the upcoming phone’s Pro models will likely ship with a 480Hz ...

According to a new report, Google is finally addressing a long-standing shortcoming of Pixel displays by adjusting the PWM refresh rate on its Pro phones this year, while upgrading the brightness ...

If you own a laptop that’s got a few years on the clock, you’ve probably contemplated getting a replacement battery for it. Which means you also know how much legitimate OEM packs cost compared to the ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...