Calc-light

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

many times I have found myself in a situation where I can not see the screen of my TI Calculator. I did not want to open my calculator up because It is epoxied shut from when I added the 3.5mm linkport and painted over. So I thought of another solution. Using a homeade rechargable battery pack, a resistor or two and 3 or 4 leds I could make a fairly small external calculator light. I am going to build it this weekend and see how useful it will be.

IntrnalDsK · Member Joined: 23 Jun 2003 Posts: 103

This would most likely also be detachable? I would like to see a picture or something when it is done.

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

yeah I am going to make it datatchable.
may make it as simple as a clothes pin thing

62 52 53 53 · Posted: 13 Sep 2003 10:39:07 am Post subject:

I personally want a teacher calc with an extra normal screen. It would help with teaching people to do stuff on the calc, since I don't own, have room for, or have use for, an overhead.

Darth Android · Posted: 13 Sep 2003 02:07:17 pm Post subject:

yah, a light would be good.

i plan to put a 3.5mm port in so i might just CAREFULLY backlight it with an on/off switch

Flash · **Umpa Loompa** Member Joined: 31 Aug 2003 Posts: 110

i often find myself sqinting at the claculator trying to make out symbols in the dark only to get dizzy and give up. a light would be most helpful

Wacko

flash is useless in the dark
Wacko

Darth Android · Posted: 15 Sep 2003 01:01:34 pm Post subject:

np, can you give me some pic of the calc's insides? i'd like to plan this out b4 i open it up!

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

the pictures for the inside of the calculator are on this spanish page and i dont feel like opening the calc right now cause it would ruin my paint job Razz

here is the link to the spanish page
Spanish Page

next are the pictures of the unstylish version 1 on the calc light (no clip thing in this version)
this is just a temporary fix untill i can get the version two done. I don't wan't to have a set date on that yet as I always end up waiting till the last minute to do things on set due dates.
click the links to view
top View
side View
Bottom View
Front View

Just some advise. if you are ever planning on overclocking your calculator atleast leave the old capacitor and have a switch that lets you switch between overclock and normal. this is because overclocking uses your batteries about 1.5 times as fast and it screws up games.

TheJester · Newbie Joined: 13 Sep 2003 Posts: 5

When doing that, you have to use a lesser number capacitor to equal the correct one, because the one that is still in there, remember that before you try it, and mess up your calc.

Adm.Wiggin · Posted: 20 Sep 2003 12:47:20 pm Post subject:

so, that just straps on the back? hehe looks pretty funny... wouldnt it break in your pocket or anywhere for that matter?

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

yeah it's big now but that will change in the next version.
mabye I will use rechargeable watch batteries or something for the next one.
make it a whole lot smaller and mor durable.
mabye add 1 more led too.

Babyboy · Advanced Member Joined: 11 Jun 2003 Posts: 499

doesn't the link port have some electricity flowint thru it that you could use for a light (gameboy worm light like)

Arcane Wizard · Posted: 06 Oct 2003 04:25:50 pm Post subject:

haha, could make a flashing light that gives people seizures when they delete your program.

IntrnalDsK · Member Joined: 23 Jun 2003 Posts: 103

You could use AAA and make it much thinner

Toksyuryel · Posted: 07 Oct 2003 10:07:52 pm Post subject:

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

I would rather use rechargable button cells because if you used the power from link port.
1. It would drain your calculator's batteries faster(not much but most likely noticably)
2. It would most probably lock up your calculator when not in a game like the less sophisticated calculator speakers do.

I guess I should start the next version of the calclight now.

JesusFreak · Posted: 08 Oct 2003 05:06:27 pm Post subject:

i like the idea of the led lights

but don't they have those led strips (like a whole bunch of led lights in a long line, but all in one piece.) and then you could put them on the sides.???

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

WOW I should go and order some led strips right now!
unfortunatly I am totally broke right now and am going to have to wait till I have money again. I didn't ever think of LED strips.

Now on a seperate note What color should I use?

Spyderbyte · Advanced Member Joined: 29 May 2003 Posts: 372

I think red is the most energy efficient, but any color would look cool in my opinion.

Spyderbyte

NextPerception · Member Joined: 08 Sep 2003 Posts: 203

but I don't think would look good on the green screen background. I was thinking more along the lines of white, yellow, or blue
I think some blue ultra bright leds would do the trick

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