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posted on 2014/06/25 06:15:04 PM CEST
SCROLLING DISPLAY.
1.PIC16F88
2.M74HC595BL
3.ULN2003APG
4.8X8X8LED
The scrolling display run from right to left with capability of vary speed from first to slow.
Memory capacity 250MB about 300 characters upper and lower case including spacing.
Editing, capability possible to editite a single word without deleting the entire message.
MODE OF OPERATIONS.
1. To enter program mode plug in the keyboard to the display keyboar jack, press the escape key once,
scrolling will stoop all messages will disappear and a flushing cursor will display as dash.......You can now type the message that you want press caps lock for upper and lower case and space bar for spacing, enter to finish.
2. now the display is on programming mode and you can write anew message,all the old message will disappear and new message
will be saved in the display memory.
3. To edit the existing message on the display, enter the program mode ,use the right< and> arrows to move the words
you would like to edit and overwrite when cursor is before it and press enter
4. To vary scroll speed press f1 key repeatedly when display is running until the desired speed is achieved ,press f2 repeatedly to decrease speed.
I have trying to build this project without success.
CAN ANYONE COME TO MY HELP
LOOKING FOR FIRMWARE AND HARDWARE
PLEASE I NEED YOUR HELP
THANKS IN ADVANCE
Daniel
