30/09/2009 by peter.

As you can see one shiny blue box filled with magic.

As soon as I can work out what I need to do to make all this open source and easy for people to build I will post info. Schematics and layouts have been tidied up for release, code still needs comments and everything needs to be slathered with licence thingamajigs.

just need to build a few more units for beta tester(s)

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26/09/2009 by peter.

Right. board populated with 4 mistakes, one transistor round the wrong way, one cap is too small, one track going to the wrong pin of the PIC and the gain resistor of the sensor head-amp a bit too low. Software finished.

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12/09/2009 by peter.

Well after a few problems with the first issue of the PCB the redesigned board has been made. Improvements include a smaller size, smaller USB module, more suitably sized uC

As you can see it is being populated by parts scavenged from the first PCB and is not quite finished. The more astute views will also not the lack of an op amp which will be on a very small board attached tot he back of the sensor and should help reduce some of the noise issues.

The project is still crawling along…

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