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Gayan,Master are you there!
Ah yes that 74HC164 is one of my favorites & I have done some few boards using that.I have attached one of my PCB layout done in past.
I'd like to do a row scan to a large column displays.
Thanks for your information.
A bit off topic what you doing these days sir?
Gayan,
I have interest in building LED Sign Board that is scrolling led display(Like the one you posted 9th July 2008), has a project kindly help me with materials to use and how I can go about it. What I want the Sign board to display the Message "WELCOME TO SCHOOL + arrow". Gayan, I will very happy if you can assist. Awaiting your replay, Thanks.
Regards
Bolaji
I'm a manufacture of signboards.There is a very competitive market over here.That's why I cannot give the full details & techniques I used.Sorry for that.
It doesn't matter how you driving the displays.It can be used shift registers,johnson counters etc.......Finally all you need is to smoothen the display.
Another one did recently.......it uses latch shift registers.
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Hi Gayan:
By all means my feedback was not to devaluate your hard work and long hours your put into this project. I understand what you tried to accomplish. Job well done and keep up the good work. I was just was sharing some thought.
I also understand there are many ways of implementing this project. I would have prefered CAT4016 LED drivers myself. But my posting was specific to use of 4017 and pic16f628a with minimal chips and cost as you were doing.
To add to your thoughts and giving you food for thought, you can easily turn the single LED's to RGB and use 3 pins of PIC to deliver the color across the board. A bit more complex. However if you can implement that then you are able to not only create different colors but also turn the project into a 3D sculpture.
Godspeed.
Chip
I'm a manufacture of signboards.There is a very competitive market over here.That's why I cannot give the full details & techniques I used.Sorry for that.