Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Help me connect 2 MCU with double control to at89c51

Status
Not open for further replies.
syrax

syrax

Full Member level 3
Joined
Sep 15, 2005
Messages
183
Helped
11
Reputation
22
Reaction score
3
Trophy points
1,298
Activity points
2,620
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 ;)
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top