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erebus-labs / sense_platform

Open Hardware & Software Sensing Solution for K12 Students
http://www.erebuslabs.com/elaunch/
GNU General Public License v2.0
4 stars 3 forks source link

What can I help with? #4

Closed erebuslabs closed 9 years ago

erebuslabs commented 9 years ago

Based on the portion of the proposal presentation I could attend (before the internet powers that be kicked me off) - what do you need from me? How can I help? What are your current blockers? I can help - just tell me how! @golriz9 @cjn566 @eulerworks

eulerworks commented 9 years ago

As an update: -Golriz and I met again today, her schematic looks really good and after today's mods should be complete. The schematic/layout will be reviewed Tuesday, then modified if necessary and sent off to the fab, ideally Weds.
-I was able to get ADC and I2C running, sampling and responding on the hardware finally. The device is sampling from a photo-cell (ADC) and accelerometer (I2C) when the RTC alarm interrupt fires. I am working on SDIO and the USB programming interface now. Once those portions are operational/integrated l will be optimizing for power/efficiency, (DMA, sleep states, etc.). -We are waiting to hear back from Colten as to any progress on the GUI side. I provided a template to start with over a week ago. After SDIO and USB interface are solid, this is the final beast to conquer. If there has been no progress on the GUI, Golriz and I will take over. -We are developing a test plan for the hardware/software integration currently as well so we can get started immediately when the boards return from fabrication.

As of this moment, I only know of a few things we need help on: 1) What exactly are we looking for (compounds, gases, etc. ) with the VOC sensor? 2) Do you have a specific sensor in mind? 3) What are you anticipating the use case for the VOC to be? (enclosure, in the ground, on the ground, etc) 4) How would you like us to pay for parts/boards being fabbed? 5) Do we have a specific budget for this prototype? If so, what does it include? 6) Are standard AA type batteries alright or do we need a rechargeable for this revision? 7) The free version of KEIL ARM-MDK has a 32KB limit on code size, l am butting up against 30KB right now. Would a license fit into the budget? @erebuslabs @golriz9 @cjn566

erebuslabs commented 9 years ago

Hi @eulerworks - thanks for the update. I'll split these questions out into separate issues here (that way you can track and update accordingly based on feedback and if you have future design constraints).

erebuslabs commented 9 years ago

Oh - and once each of those issues is "resolved" just mark them as such and closed.