bogdanfirst
New Member
i want to attach some devices to the paralele port. basically i need to insulate the computer from the rest of the things i'l' control.
so i need some opto-couplers, preferrably logic to logic ones. if more than one is integrated in one pachage then it is best. i need to insulate the 8 bits.
i can't find a schematic better than some simple opto couplers and a transistor as amplifier. but i need to use 8 like this.
i searched the net but i couldn't find anything usefull. it would be best if the parts are easily available and also cheap.
can anyone help?
pls....
thanks in advance
so i need some opto-couplers, preferrably logic to logic ones. if more than one is integrated in one pachage then it is best. i need to insulate the 8 bits.
i can't find a schematic better than some simple opto couplers and a transistor as amplifier. but i need to use 8 like this.
i searched the net but i couldn't find anything usefull. it would be best if the parts are easily available and also cheap.
can anyone help?
pls....
thanks in advance