Custom metal Calculator build
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09-01-2020, 07:10 PM
Post: #1
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Custom metal Calculator build
I want to work with someone to find or make a powerful graphing calculator with similar dimensions as the hp prime or ti nspire with a full qwerty keyboard and full metal case. Has anyone ever heard of a calculator like this. How would I go about making this. Anyone want to help?
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09-04-2020, 01:38 PM
Post: #2
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RE: Custom metal Calculator build
You can do the project with any of the Arduino's motherboards (or any other open-source microcontroller board).
Starting from there, you can add any keyboard and screen of your choice and do the programming. Calculadoras programables BASIC años 80-90: http://basic.hopto.org |
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09-04-2020, 04:08 PM
Post: #3
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RE: Custom metal Calculator build
I would like to make the calculator really powerful. I also need a way to make the full metal body and would like some help or advice if anyone would be willing to provide it. feel free to give me suggestions or if you want to get involved in the creation of this graphing calculator just ask.
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09-04-2020, 07:04 PM
Post: #4
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RE: Custom metal Calculator build
http://WilsonMinesCo.com (Lots of HP-41 links at the bottom of the links page, at http://wilsonminesco.com/links.html#hp41 ) |
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09-04-2020, 07:18 PM
Post: #5
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RE: Custom metal Calculator build
Not a build project, and not 100% metal, but if you just want to get something to hack on that’s put together pretty well, check out the line of handhelds from Planet Computers. They’ll run Android or Linux (or dual boot), and have pretty good querty keyboards (Psion-style). That’ll get you a whole bunch of computing options.
They’re not cheap, but they’re not prohibitively expensive, either, especially if you get a Gemini with just WiFi. I’ve had good luck running Python in termux on one for reasonably meaty computation. My son has one he’s dual-booting to Linux he likes a lot. |
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09-05-2020, 12:38 PM
Post: #6
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RE: Custom metal Calculator build
There are companies out there that make custom front panels for electronic equipment. I don't know much about pricing or capabilities but probably a good option for a one-off project.
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09-05-2020, 12:52 PM
Post: #7
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RE: Custom metal Calculator build
You could buy a Penna bluetooth keyboard and implement your calculator as a custom app on the inserted tablet.
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09-08-2020, 06:21 PM
Post: #8
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RE: Custom metal Calculator build
Depending on what you mean by "powerful," you will probably want something a lot better than an Arduino, especially the popular one with through hole parts. One option might be something like a Raspberry Pi zero where you get a processor even faster than the Prime has that can run Linux, which will give you a good base to work off of if you're not experienced with embedded software. On the other hand, you could set your sights on a simple scientific calculator and gradually build up to building something more powerful. After you do some projects, you'll eventually build up to making a custom board with a powerful processor and lots of memory.
If it's a one-off project and not a product you're going to sell, you can try 3D printing the keys and gluing on labels. I had pretty good luck with that for one of my projects: http://joldosh.blogspot.com/2019/06/tiny...eypad.html |
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