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alberto1426459906

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About alberto1426459906

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  1. As of today 20130125 they still offer free samples of the kit (as neslekkim pointed out to US, CA and MX). The board runs freertos which is why I went ahead and ordered one.
  2. Oh, and a couple more of the Chinese shops I like: http://www.goodluckbuy.com/ http://www.banggood.com/
  3. I like Fry's, but when they run out on the electronic components they don't restock. Shelves were empty for so many months on standard passive components (resistors, capacitors, etc.) that I stopped considering them for that.
  4. I need some help trying to figure out the input stage for a DSO project. Does anyone know a good place to learn how to create an input stage for the following? * protect the AD converter * wide range of input voltages (even European mains i.e. 240V AC) * selectable volts/div with ability to detect of out of range * analog bandwidth < 1MHz to start The idea is to have a microcontroller, opamps, maybe an analog switch, diodes to do the voltage clamping, etc. Thanks, Alberto
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