moving message

[vhictor]

pls can sn1 tell me how to connect a shift register to a pic 16f84 and how to coneect transistors and leds to it...am am using a dotmatrix 7rows for all positiveand 22 colunm fo th negative connection of d leds

 

[tronitech]

Is your native language English? If it is then please use it. (I hate text speak!) ;-)

A little more information would be useful, schematic, what you are trying to achieve, etc.

 

[Mike odom]

here is the basic of what you need to do.View attachment 68537

 

[Mike odom]

your row driverView attachment 68538

 

[Mike odom]

your column driverView attachment 68539

 

[Mike odom]

a good shift register (you'll need 3)View attachment 68540