Hello,
I have an Algebra FX 2.0 Plus
I would like to be able to send programs from my computer, however i haven't been able to find the FA-123. So i'm trying to get something else (I live in Lebanon).
Can I do this ? :
1. Get a cable that has a Stereo 2.5mm Plug on one side and a USB on the other side.
2. Put the stereo plug inside the calculator and the USB in my computer.
3. Emulate the USB as a COM using a special driver.
Could this work as a regular cable?
Thanks!
Link Fx To Computer
Started by
bayyak
, May 13 2008 04:26 PM
10 replies to this topic
#2
kucalc
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Posted 13 May 2008 - 05:38 PM
Hello bayyak and welcome to the UCF! 
Years ago, there were special USB cables made for CASIO calculators that didn't have a USB port by this one company. I don't know what happened to the company though and I forgot what the name was. But I do know that it is possible.
Years ago, there were special USB cables made for CASIO calculators that didn't have a USB port by this one company. I don't know what happened to the company though and I forgot what the name was. But I do know that it is possible.
#3
bayyak
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Posted 13 May 2008 - 06:17 PM
Hello Kucalc and thank you for your warm welcome.
What I meant was, assuming i can interpret the data on the computer - could the information be transmitted no matter what the cable is, as long as the plugs on both sides fit? or does it have to be some special cable in order to do the job?
Thanks Again.
What I meant was, assuming i can interpret the data on the computer - could the information be transmitted no matter what the cable is, as long as the plugs on both sides fit? or does it have to be some special cable in order to do the job?
Thanks Again.
#4
SimLo
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Posted 13 May 2008 - 06:34 PM
What you need is a (very) little piece of hardware. It is a RS232/TTL converter (f. i. based on MAX232), which some of us made themselves. You have to know how to solder. You cannot connect the 2.5mm stereo jack directly with the serial interface (D-sub) of your comp. One side operates with 0V/5V the other with -12/12V.
#5
bayyak
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Posted 13 May 2008 - 08:08 PM
What you need is a (very) little piece of hardware. It is a RS232/TTL converter (f. i. based on MAX232), which some of us made themselves. You have to know how to solder. You cannot connect the 2.5mm stereo jack directly with the serial interface (D-sub) of your comp. One side operates with 0V/5V the other with -12/12V.
Hello, i am not linking it to the D-Sub but to a USB port which i think has a different voltage also.
However, i'm buying a ready-made cable, so I think a converter is already intergrated.
Something like this :
Would this work?
Thank you once more.
#6
kucalc
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Posted 13 May 2008 - 11:31 PM
Well, it completely depends on the cable (Could you tell us what cable you are planning to buy?). As said before, it is possible. What's needed is software that will work with the cable.
#7
ECE
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Posted 14 May 2008 - 01:41 PM
Hello,
This method most likely wont work.
The USB transfer protocol and electrical signals is completely different from the standard casio serial TTL communication(11Mb/s, +/-5v for USB 1.1 and 0/5v (9600-115200)b/s see your casio manual), thus for this method to work the USB cable must handle the communication protocol and convert properly the electrical signals, this require a microcontroller or other circuitry to do the job.
So I think this cable must be dedicated to this purpose .
This method most likely wont work.
The USB transfer protocol and electrical signals is completely different from the standard casio serial TTL communication(11Mb/s, +/-5v for USB 1.1 and 0/5v (9600-115200)b/s see your casio manual), thus for this method to work the USB cable must handle the communication protocol and convert properly the electrical signals, this require a microcontroller or other circuitry to do the job.
So I think this cable must be dedicated to this purpose .
#8
armycadet127
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Posted 15 May 2008 - 12:41 AM
I have the FX-9750GA PLUS because I needed a calculator upgrade for High School Algebra/Geometry. Why doesn't the Casio company give you a FA-123USB cable when you buy your calculator? They give you a Calculator to Calculator link cable but still that does not help you to connect to the computer. The cable is hard to find and it is very expensive. 
#9
armycadet127
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Posted 16 May 2008 - 02:20 AM
I want to know if you can use a D-Sub DB-25 (http://en.wikipedia..../D-subminiature) and combine it with a plug (The type they use in the calculator to calculator cable) to create a calculator to PC connection cable.
#10
SimLo
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Posted 16 May 2008 - 04:27 PM
I want to know if you can use a D-Sub DB-25 (http://en.wikipedia..../D-subminiature) and combine it with a plug (The type they use in the calculator to calculator cable) to create a calculator to PC connection cable.
Yes! I made some and use it instead of USB/FA-124 with FX9860G. By the way: other members have done it too. Search posts using keywords "MAX232" and "RS232".
#11
kucalc
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Posted 16 May 2008 - 11:24 PM
I thought I was starting to go crazy. 
I was so sure that some company made a USB <-> serial port cable for CASIO calculators. I was starting to believe that I made it up in my head, but I was searching through my old posts and I found it: http://www.casiocalc...?showtopic=2863 *sigh of relief*
Here's the topic regarding the cable that you want and are describing: http://www.casiocalc...?showtopic=1992
Searching around Google, this place still sells the FX-Interface USB <-> COM port cable at http://www.calculato...face)_cable.htm
I was so sure that some company made a USB <-> serial port cable for CASIO calculators. I was starting to believe that I made it up in my head, but I was searching through my old posts and I found it: http://www.casiocalc...?showtopic=2863 *sigh of relief*Here's the topic regarding the cable that you want and are describing: http://www.casiocalc...?showtopic=1992
Searching around Google, this place still sells the FX-Interface USB <-> COM port cable at http://www.calculato...face)_cable.htm
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