connection of 8*8 relay matrix to mcu

Thread Starter

santu

Joined Dec 23, 2010
15
hello , i am in big problem, i am using 89s52 mcu ,please anyone can tell me how could i connect a 8*8 relay matrix to mcu
 

Thread Starter

santu

Joined Dec 23, 2010
15
mcu has 36 i/o pins ,but i have others things also like graphical lcd , can , the mcu chip is at89c51cc03, and also i am using a 5 pin relay
 

beenthere

Joined Apr 20, 2004
15,819
To be more specific - do you have 16 I/O pins to dedicate to the matrix?

The number of pins on the relay is not significant. The coil voltage and current is very important.
 

Thread Starter

santu

Joined Dec 23, 2010
15
To be more specific - do you have 16 I/O pins to dedicate to the matrix?

The number of pins on the relay is not significant. The coil voltage and current is very important.
yes i have 16 i/o pins to dedicate to the matrix,specification of relays are current=12 to 14mA, contact voltage =12 v dc
 
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Thread Starter

santu

Joined Dec 23, 2010
15
many many thanks for ur support ,alberto. hoping u would help me in future again.thank u
 
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