Report 8 way relay board in Projects Q/A Posted July 31, 2006 i build the pcb but when i connect to the parrarrel port all the 8 relays stay on, the program have no effect on the output.i use uln2804a and not iln2803 as in the list???thanks for all helpiko
8 way relay board
in Projects Q/A
Posted
i build the pcb but when i connect to the parrarrel port all the 8 relays stay on, the program have no effect on the output.
i use uln2804a and not iln2803 as in the list???
thanks for all help
iko