I control 50 LED with one button

It began with one email.
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Only with one switch, can you turn 50 LED on and off sequentially?
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I was interested in the question.
The reason is just because it was thinking about the expansion method of the port of the microprocessor.
I replied immediately.
Yes, I can.
I use a microprocessor and ten transistors.
I use 12 output ports of PIC16F84A.
i brew a trial product.
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There was a reply from him.
Thank you very much.
I have a son.
He is a physically handicapped person. but can move a finger.
He installs a respirator.
He cannot talk.
My wish is communicate with him with a Japanese alphabet board.
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I gave it a connection diagram and software and a trial product.

by Yahoo! Translation.

Category:

Science & Technology

Tags:

• 50
• LED
• PIC16F84A
• Japanese
• alphabet
• board.

[TheUrdyggradsil]

Given that the Japanese alphabet is (mainly) arrange in sound-pairs (k-a, sh-a, k-i, sh-i) you could speed up character selection by allowing the person to do row-column selection rather than cycling through to 50.

To select Ka, cycle through the constants and then, when selected, drop down the vowels. To make easier to use you could use two buttons. Otherwise it's an interesting project.

[pku]

@TheUrdyggradsil

I know so,

It is a good idea to divide a vowel sound and a consonant.

[Andoriyu]

What is the name of the music you used behind the dialogue?

[pku]

@Andoriyu This music is Gymnopédies of Satie.

[ger531]

beautiful

[pku]

@ger531 見ていただいて、ありがとうございます。

[TheJennetteFan]

i controll 1920 x 1080 with a single button

[pku]

The Japanese language is made by 50 sounds. Japanese "ABC" is called "hiragana". In other words I can show a hiragana letter at a lighting place of 50 LED.

[Androigynous]

Where do you get your parts?

[iRTheUnknown]

the project is cool but there are already led controllers that do that. Also, a regular computer can do that and more with a push of a button.

[ZenonDorinPower]

BTW, check IVONA.COM, best text to speech program

[ZenonDorinPower]

What music is this, very good..

[reesk92]

@arky3000 i slightly prefer it to the windows movie maker screeens of text the person using notepad to type what they wanna say over use of annotaions and the other anoying ways people get tet onto there vids

[rbaleksandar]

@arky3000 If you weren't that stupid, you might have heard some words that might have given you a pointer to why he does all that.

[SuperHaloslayer123]

what did you use for the people talking?

[w9x7cv3vg6]

WOW man...

[carlos84496]

donde comprastes el panel ?

[arky3000]

wanna do us all a favour and not use a text to speech program?!