February 23rd, 2010

5000 Free STM8S-Discovery Kits

5000 Free STM8S-Discovery Kits, this is the way STM is trying to get loud about the upcoming embedded world 2010 in Nuremberg.

The STM8S-Discovery is a quick-start evaluation board based on the STM8S105C6T6. It includes the embedded debugger ST-LINK and one touch-sensing button which help you to discover the STM8 features.

I find this a very attractive idea and it’s not about the value of a product(the STM8S-Discovery is under $10) but people coming to visit the embedded world and people in general are going to be happy to get something for free especially when that something is a dev board. I have a soft spot for dev boards, I like them and I wouldn’t mind getting one for free. Even though a certain board might not end up being used every day I will certainly power it up and try some code on it. That being said, I would love to register & visit the embedded world 2010 but I’m not sure I’m gonna be able to be there March 2 to 4.

you can read more about it here , there also a voucher code that you can use to get a free ticket.

5000 Free STM8S-Discovery Kits
February 18th, 2010

Mobile 2.4 GHz Spectrum Analyzer

Mobile 2.4 GHz Spectrum AnalyzerMobile 2.4 GHz Spectrum Analyzer

Miguel writes :

The analyzer has become my best travel companion. It’s very discrete: everyone think you are playing with a mobile phone!. You can see in a moment what are the used frecuencies / channels at your location. One of the most interesting things if to carry it in the pocket in exposure mode and walk sometime in your neighborhood. In this way you can find easily what are the free frecuencies or channels. With the time, I learned how to distinguish between different device

Mobile 2.4 GHz Spectrum Analyzer: [via HackADay]

protostack AVR 28 pin board

You may recall, almost a year ago we did a review of Protostack’s ATmega8 development kit. You can read the original review here. Well it turns out that they have been busily churning out new versions of this board, with version 1.4 being released, just the other week. This version has got many improvements over the one we reviewed. Some of the recent improvements include a power supply block for L7805 and the like, a 23 pin ISP port and a section for dual row headers or IDC connectors. The board still retains the same great features that we saw in version 1, like the large breadboard style prototyping area and the power busses that are routed throughout. It is available by itself or as part of an ATmega8 or ATMega168 development kit. With both kits being under $20 and the board itself under $10, it is still quite affordable.

DIY Mp3 Player Based On PIC16F877

This pocket sized mp3 player is based on Microchip PIC16F877 and comes with both C and Assembly source code but the C code version has more features and stability. The mp3 player was designed to work with compact flash cards up to 100 gigabytes. For decoding it uses the VS1001K chip and for conversion it uses the built in DAC. The principle of operation is not very complicated, the PIC reads the CF card and once it finds a file it clocks the card 512 times per sector sending all the information one byte at a time to the decoder chip. The decoder gets a valid stream of data and sound comes out of the built in DAC. The project doesn’t have a display or a fancy menu, it’s just a plain simple mp3 player.

DIY Mp3 Player Based On PIC16F877: [link]

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