Fresh hacks every day
[Eric Feldman] likes to use the Stairmaster in his exercise routine during the winter months. But apparently the exercisers that are designed for mere mortals don’t satisfy his need to climb stairs really, really, quickly. After mastering the upper speed limits of some top-of-the-line equipment he contacted the company asking if there was a way to unlock the software-imposed speed … Read the rest
[tinhead] has opened up a Tekway DST1102B oscilloscope and doubled its bandwidth to 200MHz, sharing his work in the eevblog forum. This is great news to anyone who is looking for a faster sampling rate but can’t afford the high-end models. Mind you, for a lot of us even these Hanteks and Tekways are hard to afford but there … Read the rest
Here’s an analog bandwidth meter made to look like an old pressure gauge. It’s actually new, but the paper showing the graduated scale was stained in a bath of black tea, then dried in an oven to give it an aged appearance. We think it’s quite effective.
The dial itself is a volt meter driven by an Arduino in much … Read the rest
[Brian] is using an Arduino to control multiple servo motors. This is nothing new and has been happening since the earliest days of Arduino. But rather than develop a project and share it, [Brian] did a fantastic job of making the code scalable, readable, and even explained how the different parts work.
His code listens for serial commands and … Read the rest
SparkFun has just announced a Free Day for 2011. Last year was the first time they decided to give away $100,000 in the form of $100 credits that melted down their servers and made the rest of the world (you know, the non-geek sort) ask what SparkFun was when it started trending on Twitter, Google, and every other form … Read the rest
[Bomber Punk] built his own arcade cabinet, but you won’t find any MAME games here. He made the enclosure to house a Meggy Jr. 8×8 pixel graphics game console. Proper coin-op buttons and a joystick replace the stock tactile switches that come with the kit. [Bomber Punk] has also added a lighted coin slot. A three-cell battery pack powers … Read the rest
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