> A good few years back (longer than I'd like to admit to myself) I made a
> golf score keeping device.
> At the time it was handy because smartphones will still banned from most
> courses - I had a few of these made up and then the rules changed and
> suddenly it looked a bit rubbish compared to an app on an iPhone as
> everyone took their gps-enabled devices out for a round of golf.
> I'm thinking of re-flashing these with slightly more useful firmware.
> After all, I've written a load of libraries, which can draw text (8-bit
> fonts) display menus, read from eeprom and draw RLE bitmaps on the
> screen and so on. Everything (menus and bitmap data) is stored in eeprom
> so is dead easy to update. I wondered if anyone would be interested in
> using something like this for their own project?
> https://www.youtube.com/watch?v=Vnm64p-HX80
> The devices are native USB/HID devices so you can connect them to you PC
> to download data into the eeprom (and to charge the 850maH lipo)
> The new firmware will also accept serial commands and I'll have to write
> some dedicated software for organising the images/menus etc in eeprom to
> make it more user friendly. It's likely to be quite a big task so I
> thought I'd gauge interest here before dedicating too much time to
> writing new firmware.
> Would anyone be interested in being able to add QVGA graphics to a
> project using serial commands to trigger/change the display?
> You could also use the onboard battery (850maH 3.7v lipo) to power the
> rest of your project if it's not too power hungry. And of course, in
> doing so, you've got a rechargeable power supply thrown in! And if
> anyone plays about with PIC microcontrollers, the programming pins are
> taken out to headers at the foot of the board so you can flash it with
> your own firmware if you like - or stick with whatever it eventually has
> put on there.
> The photos don't really do justice to the display clarity or colours
> (the same phone taking pics from different angles really messes with the
> white balance!)
> https://lh5.googleusercontent.com/-HaWUQZ_Myro/UJ0ZPmSlMlI/AAAAAAAACl...
> https://lh4.googleusercontent.com/-_Cq8VK2_R1A/UJ0ZRzIfO6I/AAAAAAAACl...
> https://lh3.googleusercontent.com/-NtCafjvVAYY/UJ0ZVxcqCOI/AAAAAAAACm...
> I invested quite a lot into getting a load of these made up at the time,
> so they'll probably end up costing about 20- 25 each as an end product.
> Is it worth doing?
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