I would use an inverter circuit
in discrete parts [www.play-hookey.com]
or use a logic chip..
then you can just send the signal and its inverted signal .
But I suspect there is something else going on...
Looking at the image in another post It looks like it goes threw an 6 pin opto couple that has two pins without solder
in discrete parts [www.play-hookey.com]
or use a logic chip..
then you can just send the signal and its inverted signal .
But I suspect there is something else going on...
Looking at the image in another post It looks like it goes threw an 6 pin opto couple that has two pins without solder