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   Home :: Community :: Surveys :: Have you ever changed the hardware inside of your calculator?
Results
Choice Votes   Percent
Yes, for the better 17 11.0%   
Yes, for the worse 11 7.1%   
Never! 102 65.8%   
You can change the hardware? 25 16.1%   

Survey posted 2006-06-04 05:28 by Jon.

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Re: Have you ever changed the hardware inside of your calculator?
Shady_0883  Account Info

change hardware, that include change power supply from AAA to AA, or overclocking, or LCD backlight.... Or you mean to the whole hardware..... anyway I haven't do any of these ones, u have to b pretty sure of what u are doing or u will mess with the calc....

Reply to this comment    4 June 2006, 14:31 GMT

Re: Re: Have you ever changed the hardware inside of your calculator?
burntfuse  Account Info
(Web Page)

It probably includes any of those things you mentioned, not just replacing the entire insides of the calc.

Actually, you gave me an idea, mentioning switching from AAA to AA...I've seen a guide on modifying it, but it'll be thicker than before and the battery case won't fit on (of course). However, I wonder if it would be possible to make it still take up the same amount of space by hollowing out the bottom of the battery holder, using only 2 AAs, and adding a small boost converter...

Reply to this comment    5 June 2006, 14:46 GMT

Re: Re: Re: Have you ever changed the hardware inside of your calculator?
Mike Slopsema  Account Info

AA's last almost double the time, i would gladly sacrifice size for battery life

Reply to this comment    7 June 2006, 18:32 GMT

Re: Re: Re: Have you ever changed the hardware inside of your calculator?
yellowPig Account Info

It's actually not that hard, if you don't care how it looks. You just need to get an external battery case that fits AA batteries, and attach wires to the ends of the external battery case's metal things on the end that are meant for that and to the calculator's battery case, where normally the ends of the battery would go. Alligator clips work better than regular wire, but you can do it with either one.
The only problems with that are that you get exposed wires and that you have a very awkward arrangement of parts outside of the calc. I have never tried doing that with my calc, but I have done it with small electronics--my computer's speakers, a booklight, et c.

Reply to this comment    7 June 2006, 19:53 GMT


Re: Re: Re: Re: Have you ever changed the hardware inside of your calculator?
burntfuse  Account Info
(Web Page)

I don't really care about how it looks, the reason I don't want it any larger is because then it won't fit in my pocket. ;-)

Reply to this comment    8 June 2006, 19:04 GMT


Re: Re: Re: Have you ever changed the hardware inside of your calculator?
jesse frey  Account Info

wouldn't that sort of defeat the purpose of using AA's though cause I doubt that you would get much improved battery life.

Reply to this comment    7 June 2006, 20:05 GMT

Re: Re: Have you ever changed the hardware inside of your calculator?
Snave2000  Account Info

I tried adding a backlight to my 84+SE's LCD...The LED went in all right, but I found that I couldn't get it to shine through the clear plastic of the LCD itself. And, there is no room to add additional plastic sheets due to the link ports at the top :-( Plus, the LED drained my batteries rather quickly...However, the calc was not damaged, so I voted "Yes, for the better"!

Reply to this comment    5 June 2006, 14:58 GMT


Re: Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

Would it be possible to mod a Game Boy worm light to commect to the USB port of a TI-84+(SE)?

Reply to this comment    8 June 2006, 17:12 GMT


Re: Re: Re: Re: Have you ever changed the hardware inside of your calculator?
Matt Plank  Account Info

You could do it with a lot of soldering, but it would still drain your power really fast. Plus if you messed up you ruin a mini-USB plug and a wormlight.

Reply to this comment    11 June 2006, 00:25 GMT


Re: Re: Re: Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

What I had in mind was refitting the worm light with a new USB potr thar with the calc, like cutting off the end of a calc to calc wire and soddering it to the wotmlight wite, of course after cutting off the end of the wormlight.

Reply to this comment    11 June 2006, 17:47 GMT


Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

Overclocking?

Reply to this comment    8 June 2006, 17:07 GMT


Re: Re: Re: Have you ever changed the hardware inside of your calculator?
burntfuse  Account Info
(Web Page)

Yeah, there's a well-documented resistor/capacitor pair for each calc that controls the processor's clock speed, so by replacing the capacitor with a lower value you can make it run faster. You can also replace the resistor too, and IMO it seems easier, but most people replace the capacitor.

Reply to this comment    8 June 2006, 19:06 GMT


Re: Re: Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

Why would one want to make the clock run faster? Or am I mistaken and it makes the calc run faster?

Reply to this comment    8 June 2006, 21:24 GMT


Yes, you are mistaken
frenchman113 Account Info
(Web Page)

Overclocking is the process of making a CPU run faster than it's supposed to. In this case, by modifying some resistors, one can increase the speed of a calculator by 3-4 times. The clock speed refers to a measurement of the speed of a CPU (this time in MHz).

Reply to this comment    8 June 2006, 21:44 GMT

Re: Yes, you are mistaken
Person Dude  Account Info

Aaaaaaaahhhhhhhhhhhhhhhh.
Got ya.

Reply to this comment    9 June 2006, 01:38 GMT


Re: Yes, you are mistaken
anykey  Account Info
(Web Page)

Doesn't that mean that there's a risk of the processor overheating? It may not be much with a z80, but there could be some negative effects associated with it.

Reply to this comment    9 June 2006, 04:49 GMT


Re: Re: Yes, you are mistaken
burntfuse  Account Info
(Web Page)

Right, no chance of overheating with a Z80 (it only gets overclocked to ~24 Mhz anyways, at least for an 86). The "negative effects" are that if you push it too far beyond what the processor was designed for, it might cause timing problems and start acting strange. Oh, and Mario will run four times as fast, making it hard to get through levels...

Reply to this comment    9 June 2006, 12:30 GMT


Re: Re: Re: Yes, you are mistaken
KermMartian  Account Info
(Web Page)

...and battery life decreases linearly with processor speed increases.

Reply to this comment    13 June 2006, 13:53 GMT

Re: Have you ever changed the hardware inside of your calculator?
Jason Malinowski  Account Info
(Web Page)

Does changing the batteries count? :-P

Reply to this comment    4 June 2006, 14:59 GMT

Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

I would say no, but it is changing parts enclosed in the calc...

Reply to this comment    8 June 2006, 17:04 GMT


Re: Re: Have you ever changed the hardware inside of your calculator?
Person Dude  Account Info

and yes, I know you are joking. <:/

Reply to this comment    8 June 2006, 17:05 GMT

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