DIY4X, or Scaled Reptiles of the Nordic Countries. Message #39 Posted by Eric Smith on 27 Sept 2011, 5:16 p.m., in response to message #31 by Steve Simpkin
Richard Ottosen and I have been working on this project for over ten years now. Last year at HHC2010 I showed our fifth-generation hardware, called DIY4, which uses ARM processor vs. the Microchip PIC microcontrollers we used in the earlier generations. However, at HHC2010 the DIY4 was only running a hardware diagnostic program, and was not functioning as a calculator.
We finally got the DIY4 working as a 41C-compatible calculator in mid August. However, at about the same time we discovered a new, significantly better LCD display, which is 2.7" diagonal with 400x240 pixels (173 dpi), with excellent contrast and very low power consumption. We kludged the new display onto on of our prototypes, and barely got it working in time to show at HHC2011 this past weekend. We call this version DIY4X.
Unfortunately in the mad rush to get the DIY4X working, I did not have time to prepare any slides for my presentation or a paper for the proceedings. I do hope to write up some information for a web page, and take some photos and videos, but school has me really busy, so it will take me a while. I'll certainly post a link here when I do.
The title of my presentation, "Scaled Reptiles of the Nordic Countries", was inspired by the titles of HP's presentations, including "Deciduous Trees of North America" and "Deciduous Trees of Europe". The microcontroller in the DIY4X is an EFM32G "Gecko" made by Energy Micro in Norway.
Geoff Quickfall took that one step further and titled his talk "Smooth Scaled Deciduous Trees of the Southern Nordic Countries".
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