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29 items tagged "solar"
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buffer overflow [+],
solar panel [+],
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windows xp sp3 [+],
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wielding [+],
uwe [+],
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sun chart [+],
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steven [+],
soldering irons [+],
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solar lamp [+],
solar charger [+],
solar cells [+],
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silicon [+],
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sealed lead acid battery [+],
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reflector [+],
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rays of the sun [+],
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power [+],
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pile [+],
photovoltaic solar cells [+],
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phil [+],
paulie [+],
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panel projects [+],
pack [+],
optical encoders [+],
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mintyboost [+],
magnetometer [+],
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machine [+],
lipoly [+],
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larry [+],
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ken [+],
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9:01
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Hack a Day
This beast above is the result of what is probably the coolest class project ever. The instructors[Michael Ham] and [Kenny Ham] gave their students a pile of junk and said “build something”. The goal was a “vehicle that could recharge itself”. In the pile were motorcycle tires, an old classroom seat, the front suspension from [...]
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10:40
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Hack a Day
When you get down to it, solar cells aren’t much different from the diodes and transistors in your parts drawers or inside your beloved electronics. They’re both made of silicon or some other semiconductor, and surprisingly can produce electricity in the presence of light. Here’s two semiconductors-as-solar panel projects that rolled into the tip line [...]
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8:01
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Hack a Day
While having ambient music playing in the background can lead to a more relaxed state of mind, we can’t imagine the annoyance of having to replace the batteries constantly. Thankfully, [Phil] added solar charging to his Buddha Machine so he won’t have to worry about batteries anymore. If you’re not familiar, the Buddha Machine is a [...]
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9:53
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Hack a Day
In the hopes of getting a heads up on when the aurora borealis will be visible from his back yard, [Alex] built a magnetometer to measure disruptions in Earth’s magnetic field. The build is extremely simple, too. It’s amazing what you can build with a few components and a trip to the dollar store. The design or [...]
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8:01
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Hack a Day
Just like destroying an ant colony with a magnifying glass, there’s nothing like cooking hot dogs and roasting marshmallows with a nice parabolic reflector. Of course covering an old satellite dish with mylar or aluminum tape doesn’t take much skill, however cool it is. [Uwe] came up with a much more technical means of building [...]
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8:00
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Hack a Day
[Steven Dufresne] does a lot of tinkering with solar-powered applications, a hobby which can be very time consuming if done right. One process he carries out whenever building a solar installation is creating a sun chart to determine how much (or little) sun the target area will get. The process requires [Steven] to take elevation [...]
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15:01
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Hack a Day
[Phillip] and the crew at Voltaic Systems took a look at the Sunnan solar powered desk lamp from IKEA a while back, and while they thought it was pretty useful, there were definitely some things they wanted to change. First on their list of revisions was to increase the capacity of the stock battery pack. [...]
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10:01
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Hack a Day
As soon as the team at Revolt Labs heard Occupy Wall Street was coming to Boston, they decided to pick up their soldering irons in support of the throngs of protestors. They came up with a Solar charging USB box to keep those cell phones and digital cameras charged. The case came direct from an [...]
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6:00
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Hack a Day
The crew over at The Tech Junkies recently took another look at solar power and thought that the pricing had come down enough for them to consider powering their entire shop via the sun. Cheaper or not, they still didn’t want to pay retail for solar panels, so they decided to build their own instead. [...]
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7:03
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Hack a Day
[Frits] has been working on an solar panel heliostat (in Dutch, check out the translated page here). The heliostat uses a small PICAXE to control the motor, along with an DS1307 real-time clock to make sure the motors start at dawn. Instead of using optical encoders or magnetic sensors, the angle of the heliostat is [...]
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17:01
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Hack a Day
The polished quality of this hack isn’t quite there, but we love the ingenuity and exploration exhibited. [Paulie1982] shows us how to make an old cellphone work with the rays of the sun. You can see above that he’s added photovoltaic solar cells to the back case of what looks like an old smart phone. [...]
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10:50
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Hack a Day
Ham operator [Ken - wa4mnt] wrote us to share a small project that he uses nearly every time he goes out in the field. His portable sealed lead acid battery pack (PDF) always ensures that he has a 12v power source at his fingertips, both for fun as well as in emergency situations. The battery [...]
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10:25
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Hack a Day
Wielding the power to melt glass or instantly ignite most day to day materials can be intoxicating pretty fun. With a little math, a lot of patience, and 5,800 1cm pieces of mirror, this build requires welding glasses just to look at the 1-2cm focal point. With an idea rumored to date back to Archimedes, [...]
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13:07
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Hack a Day
Teaching kids to solder using kits is a fun time, but most of these beginner kits are a bit mundane. Not this one, it’s a solar-powered monster project. The components and their wiring connections are printed on a sheet of paper along with a background for that particular monster. The base of the paper is [...]
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11:00
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Hack a Day
For all those times you need to broadcast your own access point where there’s no outlet [Larry] shows us how to make a solar-powered hotspot. He started by slapping a solar panel on the lid of a cigar box and attaching it to five rechargeable AA batteries inside. These power the mainboard from a router which is [...]
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8:18
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Hack a Day
[Phillip Torrone], one of the original crew of HackaDay, now working with [LadyAda] tipped us off to this video of her explaining the device they built for configuring the charging circuits to be used with their solar panels. Unlike most of their tutorials, this one is not intended to be a final product sold on [...]
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7:00
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Hack a Day
We first wrote about the MintyBoost back in 2006. Today, Adafruit has created a tutorial for making a solar powered MintyBoost. Using a MintyBoost, a solar panel, LiPo battery and a charger, they built on their Solar LiPoly tutorial. They fed the power tap output of the LiPoly charger into the battery input of the [...]
1337day (was: Inj3ct0r, 1337db)
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