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Author Topic: LEDs inside TI-30xIIs  (Read 2901 times)

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Offline Nathan Jahreis

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LEDs inside TI-30xIIs
« on: June 19, 2012, 07:26:09 pm »
Well I was bored today so I took apart my TI-30xIIs and to my surprise I found 2 LEDs inside!  I don't know if this is new to anyone but I was kinda thrown off.  One goes on and off with the calc and the other only turns on when the solar panel is working.



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Offline Levak

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Re: LEDs inside TI-30xIIs
« Reply #1 on: June 19, 2012, 08:01:36 pm »
Maybe a debug led used to check with a probe during manufacturation if the calculator works ?


PS : I love the macro photo =)
« Last Edit: June 19, 2012, 08:02:12 pm by Levak »
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Offline DJ Omnimaga

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Re: LEDs inside TI-30xIIs
« Reply #2 on: June 19, 2012, 10:57:30 pm »
Interesting stuff. :)
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Offline thepenguin77

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Re: LEDs inside TI-30xIIs
« Reply #3 on: June 19, 2012, 11:19:10 pm »
I've always wondered what those things do. I'm glad you actually got them to turn on.

This bothered me bad enough that I actually asked it on yahoo answers lol. (Though I can't find the link :()

In other news, connecting a 9V battery to them makes them explode. The calculator still works though.
« Last Edit: June 19, 2012, 11:19:19 pm by thepenguin77 »
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Offline aeTIos

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Re: LEDs inside TI-30xIIs
« Reply #4 on: June 20, 2012, 03:00:00 am »
those leds have a pretty much weird shape O.o
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