Wireless redstone signal in Vanilla Minecraft with command blocks

Question

I'm looking for a method to give a wireless redstone signal to a bunch of command blocks under iron doors in order to open them on distance on sunrise.. I'm not asking you to help me with the daylihgt sensor part, I'm just looking for a command to give to, for example, command block "A" in order to, when powered, gives a wireless signal to the command blocks "B" "C" "D" "E" and so on..

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Answer 1

Use this wireless redstone setup (Our door is at -90 102 159):

Command block left: /setblock -89 102 159 air

Command block right: /setblock -89 102 159 redstone_torch

The pig is just an ordinary pig.

You can easily use more command blocks for more doors.

Answer 2

Just use set block. For a button like effect hook repeaters up to the back and set the delay to max and connect them to another command block which will replace the redstone block/torch with air, thus only activating whatever what not for a second or so. For a lever like effect, just remove the repeaters.