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andyturk:
Cool project! Bonus points for using PSoC5.
Thanks for the kudos on the pSoC 5LP use! The Cypress pSoCs are FANTASTIC! tiq is implemented entirely inside a pSoC 5LP - I have multiple PAGES of digital and analog schematics all neatly loaded into the darn thing! The (free) Cypress IDE works really well, and it's as easy to use as an Arduino - but SO MUCH more powerful, fast, capable. Really, really recommended for your next project. I like the 5LP, it's the biggest and best, the pSoC 3 is also pretty neat, the newer pSoC 4 seems to be stripped down for certain applications, but cheap ($1 each right now?!) and still pretty useful.
tiq is almost a "text book" application for the pSoC 5LP, too, as it uses much of the digital and analog resources (counters, timers, logic, comparators, DACs, ADCs, opamps etc.).
What about something like ... OLEDs
Definitely considering other displays and OLEDs for the KS version. The problem with the common 1.1" (like you linked) is they are REALLY SMALL in person. The LCD in the the prototypes has a larger viewable area and larger pixels. I have 2 really good OLED candidates coming in the next week or so, a bit bigger, but won't increase the package size, and 2 really interesting LCD alternatives (one could DECREASE the package size without decreasing the viewable area, one would have THREE LINES for more info display (same character size as the prototypes)).
Will the firmware be upgradeable? Open Source, maybe?
Yes, there will be a way to upgrade the firmware.
No, the hardware and firmware will not be open source.
Cheers -
Mark