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Chill your phone for longer battery life?
The first specs we look at when choosing a cellphone are the battery life numbers. We know that eventually we’re going to see performance loss, and [Dr. West] wanted to see if there’s a way to delay...
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Hackaday Links: October 28th, 2011
An accidental radial engine Hack A Day’s very own [Jeremy Cook] was trying to figure out how to push four ‘arms’ out one at a time. What he came up with is a very nice model of a radial engine....
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Hackaday Links: November 24, 2011
Finally an Arduino shield that does nothing The folks at Evil Mad Scientist labs have finally created the Googly Eye Shield for Arduinos. With it’s pass-through .100 headers, it adds googly eyes to...
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Building a 1300 lumen bike light
[Brainiac27] isn’t going to let the absence of sun prevent him from biking. He has no trouble lighting his path with this 1300 Lumen bike light he built. The light source is a 3-up star by Cree. It...
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Adding heat sinks to a Raspberry Pi
[Michael Dornisch] was surprised to find that the main processor of the Raspberry Pi reaches about 56 degrees Celsius (about 133 degrees F) while streaming video over the network. He thought it might...
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Fixing a first generation GuruPlug’s cooling problems
[Doragasu] had been using a hacked Xbox as his file server but upgraded to a single board Linux device when the GuruPlug was released. Unfortunately the first run of these devices had an overheating...
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Silent HTPC build is an art piece for the livingroom
This sexy beast is [DeFex's] new silent home theater PC. To give you an idea of scale, that motherboard is a Mini ITX form factor. Mounted below it is the solid state drive which is an SLC version...
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Reflowing an Entire MacBook Pro
[Sterling]’s MacBook Pro has a propensity to heat up at times. Some of this overheating is due to to what he uses his Mac for – gaming and making music. A larger part of this overheating is that this...
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Penny and Paper Clip Heat Sinks
A bunch of audio heads over at the Head-Fi forum were discussing handy and quick heat sinking methods, leading to much speculation and conjecture. This finally prompted [tangentsoft] to take matters in...
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Old Heatsink Lets Ham Push Duty Cycle for Digital Modes
Listen to the amateur radio bands long enough, and you’ll likely come to the conclusion that hams never stop talking. Of course it only seems that way, and the duty cycle for a transmitter operating in...
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Pi Keeps Cool at 1.5 GHz
Hackers have a long history of overclocking CPUs ranging from desktop computers to Arduinos. [Jacken] wanted a little more oomph for his Pi Zero-Raspberry Pi-based media center, so he naturally wanted...
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The Surface Area to Volume Ratio or Why Elephants Have Big Ears
There are very few things that are so far reaching across many different disciplines, ranging from biology to engineering, as is the relation of the surface area to the volume of a body. This is not a...
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Chilling a Hot Camera
[Eric]’s camera has a problem. It overheats. While this wouldn’t be an issue if [Eric] was taking one picture at a time, this camera also has a video mode, which is supposed to take several pictures in...
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Measuring The Cooling Effect Of Transformer Oil
Transformer oil has long served two purposes, cooling and insulating. The large, steel encased transformers we see connected to the electrical grid are filled with transformer oil which is circulated...
View ArticleExtreme Pi Overclocking With Mineral Oil
Liquid cooling is a popular way to get a bit of extra performance out of your computer. Usually this is done in desktops, where a special heat sink with copper tubing is glued to the CPU, and the...
View ArticleLiquid Cooling Keeps This Electronic Load’s MOSFETs From Burning
Problem: your electronic load works fine, except for the occasional MOSFET bursting into flames. Solution: do what [tbladykas] did, and build a water-cooled electronic load. One can quibble that...
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A Crash Course In Thermodynamics For Electrical Engineers
It’s a simple fact that, in this universe at least, energy is always conserved. For the typical electronic system, this means that the energy put into the system must eventually leave the system....
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Custom Dummy Load With Data Logging
While it might seem counterintuitive on the surface, there are a number of cases where dumping a large amount of energy into a resistor simply to turn it into heat is necessary to the operation of a...
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Livestreaming Backpack Takes Streaming On-The-Go
Anyone who’s anyone on the internet these days occasionally streams content online. Whether that’s the occasional livestream on YouTube or an every day video game session on Twitch, it’s definitely a...
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