syrax
Full Member level 3
hc595 uln2803
i have 2 boards
1.AT89s52 controller
2.74HC595 -> ULN2803
the connection is 2-3m /~5ft/ the system is work good but in one moment stop, i put a control LED on one of the ports to seen is the controller work . the controller work but no reaction on other board
may be the problem is in cable or signal level (( can some help me
i have 2 boards
1.AT89s52 controller
2.74HC595 -> ULN2803
the connection is 2-3m /~5ft/ the system is work good but in one moment stop, i put a control LED on one of the ports to seen is the controller work . the controller work but no reaction on other board
may be the problem is in cable or signal level (( can some help me