MIT + Harvard = edX

The Massachusetts Institute of Technology (MIT) and Harvard University announced today a joint partnership to offer a new e-learning platform, called edX. Goal of the project is to offer online courses on different subjects (mainly related to information technology) for free. The project will develop a new e-learning platform that will be released with an opensource license. It will be certainly a…

A fast way to etch your boards

Tom, from Milwaukee Hacker Space, tested a very fast way to etch your circuit boards: he uses a mix of muriatic acid and high-concentrated (30%) hydrogen peroxide and wipes the copper away with a sponge. Here’s a video showing the board completely cleaned in few seconds: Please be careful with the acid and work in a…

Bluegiga WT11 – Review

Thanks to Farnell, I was able to test the Bluegiga WT11 bluetooth module. The module, which is Bluetooth 2.1 compliant, contains three main elements: [checklist] the tranceiver the chip antenna a complete Bluetooth stack (named iWrap) [/checklist] The power transmission – it’s a class 1 device – is 17dBm that corresponds to a range, in open air, of about 200m. Layout Module’s dimensions –…

Windows 7: how to clear “pinned list”

A useful feature added in Windows 7 is the jump list you can get with a right click on Windows Explorer icon located in the taskbar. You can also “pin” some resources in the top pinned list: Because of a bug, if you previously added to pinned list a resource (for example a network share)  not available anymore, you can’t remove that resource.…