Trying to figure this out. On 1.10 I used Ender IO Redstone Conduits to wire redstone to the 4 placers through connected to a timer and through three repeaters to the 3 mechanical users so that the placers put down the soul sand then a few seconds later the mechanical users would put down the skulls and vola. Well, on 1.12 no Ender IO, bleh. I can't see how to do it with vanilla redstone since there are two placers one above the other in the t shape, I put down a block to put the redstone onto for the upper one it blocks me from putting down redstone to the bottom one. What options do I have in the Unstable mod pack to output a redstone signal though conduits / pipes ?
Edit: I just had a crazy idea, no time to implement it but I thought I'd toss it out there. AA has Redstone Phantom Faces. I am thinking 7 of those laid out flat on the ground, 4 for the placers, 3 for the mechanical users, would make the wiring a lot easier. Will find out later once I have a free minute.>.<
Newp, eventually I had to go with Integrated Engineering redstone wires (didn't even know it was a thing. O.o ). But it seems they spread the signal unlike redstone conduits from EnderIO so I had to put the mechanical users on one side and the block places on the other so the placers wouldn't accidentally trigger the mechanical users. But it's working, spawning plenty of wither.