Help me connect 2 MCU with double control to at89c51

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syrax

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Help at89c51

i wanna connect 2 MCU with double control
I meen when drive a single led 1 ofter 1 when number go to 30 /2 port are using to control/ to go on nex MCU. In this way wanna make moving dot led with 100 - 150 single led position
 

Help at89c51

Hi,
You don't need more than 1 MCU to do a big running light system. If you use 2 of the ports on the -51 and 8 resistors you can make a matrix of 256 LEDs.

The source(high) outputs from the -51 may need drivers to supply enough current, depending on the current in the LEDs.

TOK
 

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