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Messages - Happybobjr

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2266
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 06:37:36 pm »
um...random suggestion...but....

rechargeable lithium battery?
probably but, maybe rechargeable AA bateries?

Color:  Red + Yellow + Blue,,,

so many colors avalible.
Red+blue=purple
red + Yellow = orange.
and so on.

could we do a grayscale type thing with a 4 bit color system.
SO we could have a pattern of quick switching between blue and yellow so it looks green?

2267
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 04:48:33 pm »
I'd like to suggest a micro SD or an SD card slot for the EZ80, and perhaps an Micro USB as well. Personally, I think an OS written to take advantage of the EZ80 would fare much better than porting Knight OS. I also think having 256 colors and at least a 320X240 resolution would be nice. On an unrelated note, this topic has really exploded hasn't it?

because its a good idea :D

i refrsh that page every 10 min

2268
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 04:39:03 pm »
ok.. but the sp is old :P

now for the wi-fi and internet browser >:D

2269
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 04:30:09 pm »
Backlight:  letter to nintendo.. yes or no?  haven't sent yet

did code for size reduction

Code: [Select]
Hello, my name is James and a group of my friends are developing a calculator the succeeds in all spots others have failed.  While brainstorming I cam up with an idea for a back-light for the calculator. (specifically one that is manually turned on and off)

One of the members of our group had the brilliant idea of using a back-light like your Gameboy Advance SP (big fan by the way).  Doing a little research got me nowhere so I came here to ask about how you made your back-light.

Could you inform us on the specifics of how the back light is made, or where to buy something similar.

2270
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 03:18:56 pm »
Maybe read how the Gameboy SP did it *shrug*  My pocket PC also handles it quite nicely.  I agree though about it being manual, and not controlled by the OS (it crashes, and leaves your light on D:)

oh, true, that would be terrifying

2271
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 03:15:53 pm »
possibly have like a small switch on the back, i don't think one should be controlled through the calc,  that would require you seeing it for you to see ;P

also how would you create even lighting through out?


not like we need one to program ti-basic  on our 83 + series, but testing it. :P (i can program ti-basic with my eyes cosed :P)

2272
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 03:09:12 pm »
just a thought, maybe we could have a small back-light that you can turn off and on, i hate being in a classroom where i have trouble seeing  my screen

2273
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 02:50:03 pm »
4 bit color is 16 colors. What you were saying with 256 colors is 8 bit color.
8 bit might be overdoing it for what we need

2274
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 02:47:35 pm »
Color I think shouldn't be a huge worry right now. And if we do manage color then we really don't need that much. The more color there is the more complicated it will get. 4 bit color is more than enough, I think.

4 bit color
not 4 colors

this is 2bit color
= 4 colors.

2276
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 02:25:16 pm »
so how exactly are we going to start this?

2277
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 02:20:06 pm »
what went wrong with pandora? i thought it was going great?

2278
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 02:08:57 pm »
You know, using TI's circuit design factory wouldn't be a bad idea, IMO. they do great work with circuit boards, and the TI calculator is just a branch of their company. The majority of their business is in making PCBs and ICs for other companies. I don't think we'd be able to make enough, or high quality enough PCBs for this without an outside company, plus they can make it super cheap. :D They also already have an awesome ARM processor going in the OMAP series, among others.

Don't hate me for suggesting using TI.
i find it fitting.  Don't see why we shouldn't
although there might be some problems with ti about it :P

2279
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 01:56:46 pm »
project lead the way??? or  intro to engineering and designs??

2280
OTcalc / Re: Let's build our own calculator!
« on: August 06, 2010, 01:51:28 pm »
The true profit on this project shall not come from making excessive amounts money, but in making enough for the production to continue, Learning together as friends, providing kids with a cheaper alternate to ti calculators, and the fun of slapping ti :)

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