Fresh hacks every day
[James] has an admirable home automation system which he’s been working on for years. It does things like monitor the state of the garage door, control the lights, and it even notifies him of a power failure. One thing that wasn’t on the system yet are the fireplaces he has in his home. The hardware you see above is how … Read the rest
[Rxdtxd] has tried his hand at roasting coffee beans in a frying pan. It works but he can only roast small batches at once. What he really needed was a large-scale roaster that would have no problem with a few pounds of the green beans all at once. He ended up building this large-scale coffee roaster out of junk parts… Read the rest
If you’ve ever found yourself wondering if there’s any possible way to let those with deficient olfactory senses know just how flatulent you are, wonder no more. The Gas Cap is here to fulfill that very need. A bar graph of sorts, located on the front of a hat that will light up to reflect the amount of methane … Read the rest
While this is most likely overkill for a gas gauge, we do thank [VadimS] for sharing the information. He shows us how to build a capacitive liquid sensor using an Arduino, some foil and some wire. He’s basically detecting the difference in capacitance between the foil sheets. As he gets more water in the bottle, the capacitance goes up. … Read the rest
With the weather getting colder, [Daniel] decided it would be a good idea to monitor how much energy his gas heating was using in real time. He used a Nokia 6680 cameraphone to monitor the heater’s flame through the sight glass. PyS60, a Symbian implementation of Python, checks the image sent by the camera and measures how much blue … Read the rest
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