NOT-QUITE-SO-HOT STUFF: A THERMAL EXAM ON THE LATEST RASPBERRY PI

When the Raspberry Pi 4 was first launched, one of its few perceived flaws was that it had a propensity to get extremely hot. It’s evidently something the Pi people take very seriously, so in the months since they have addressed the problem with a set of firmware updates. Now they’ve taken a look at the effect of the fixes in a piece on the Raspberry Pi web site, and it makes for an interesting co ...

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6 Reasons To Have A Business Mentor

It’s incredibly exciting to be an entrepreneur and to fly solo, heading off into the unknown and making a success (hopefully) of your new business. Yet the reality is that while this is indeed an exciting idea, it’s unlikely to happen – you will need to find out how to run a business as well as simply having a great idea that you know will sell. This is where a business mentor can be extremely useful; havin ...

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HOW SAFE IS THAT ULTRASONIC BATH FOR FLUX REMOVAL?

How do you clean the residual flux off your boards? There are plenty of ways to go about the job, ranging from “why bother?” to the careful application of isopropyl alcohol to every joint with a cotton swab. It seems like more and more people are turning to ultrasonic cleaners to get the job done, though, and for good reason: just dunk your board and walk away while cavitation does the work for you. But jus ...

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A MINI VENDING MACHINE TO RAMP UP YOUR SALES

A common sight in the world of hackerspaces is an old vending machine repurposed from hawking soda cans into a one-stop shop for Arduinos or other useful components. [Gabriel D’Espindula]’s mini vending machine may have been originally designed as an exercise for his students and may not be full sized, but we can see it or machines like it taking away some of the demand for those surplus models. I ...

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WINTER IS COMING, THIS CLOCK WILL LET YOU KNOW WHEN

For Game of Thrones fans, it’s an awkward time. The show has ended its run on HBO (not without a certain level of controversy), the planned prequel is still years away, and who knows when George R. R. Martin will actually get around to writing the final books in the series. Fans have no choice but to entertain themselves while waiting for further tales of adventure from Westeros, which is how we get things ...

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A STM32F4 BASED ARDUINO IN THE FEATHER FORM FACTOR

[minh7a6] loves the Adafruit Feather, but sees some room for improvement. First is the matter of 5V tolerance. While just about everything is available in a 3.3v range these days, sometimes it’s just nice not to have to care. The main controller on the Feather is plenty powerful, but its intolerant pins just wouldn’t do so it was swapped for a chip from the ever popular STM32F4 line. Then he wanted bet ...

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Ultrasonic Range Finder Market Size by Type, Product, Application & Market Opportunities 2019-2024

Ultrasonic Range Finder Market report offers detailed analysis and a five-year forecast for the global Ultrasonic Range Finder industry. Ultrasonic Range Finder market report delivers the insights which will shape your strategic planning as you estimate geographic, product or service expansion within the Ultrasonic Range Finder industry.. A comprehensive research report created through extensive primary res ...

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Shock Sensors Market Current Trends and Future Aspect Analysis 2018 – 2028

The demand within the global shock sensors market is growing at the back of technological improvements in sensor technologies. The advent of Arduino series sensors was a gamechanger for the vendors operating in the global shock sensors market. Furthermore, advancements in the automobile industry have also spearheaded the growth of the global market. The growth of the automobile industry in underpinned by pr ...

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IN CASE YOU CANNOT MAKE IT TO AN ESCAPE ROOM

Escape rooms are awesome for people who like to solve puzzles, see how things work, or enjoy a mystery. Everyone reading this falls into at least one of those categories. We enjoy puzzles and mysteries, but we have a fondness for seeing how things work. To this end, we direct your attention to [doktorinjh]’s “Bomb Disarming Puzzle in a Suitcase” Game, which is a mysterious puzzle box he built himself. ...

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Water Resistant Pressure Sensor LPS33HW now available from Adafruit

Adafruit has announced the availability of the LPS33HW Water Resistant Pressure Sensor offering 24bit pressure data and 16 bit temperature data, allowing it to provide users with pressure readings with +/- 0.1% hPa accuracy. The small sensor can measure from 260 to 1260 hPa and is able to withstand pressure up to 20 times its measurement range. Sometimes you need to sense pressure in a damp or caustic envir ...

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A SUPER EASY LASER ENGRAVER

CNC comes in all shapes and sizes, from huge industrial lathes to homebuilt wire benders. [MJKZZ] has built their own compact rig, using optical drive parts to create a cute but effective laser engraver. (Video embedded below.) The build aims to keep things simple by holding the laser stationary, and moving the bed instead. The laser in question is a 500 mW unit, driven by the Z axis on the Arduin ...

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AI PHONE APP LEARNS BASEBALL SIGNALS

Watching a sport can be a bit odd if you aren’t familiar with it. Most Americans, for example, would think a cricket match looked funny because they don’t know the rules. If you were not familiar with baseball, you might wonder why one of the coaches was waving his hands around, touching his nose, his ears, and his hat seemingly at random. Those in the know however understand that this is a secret signal to ...

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