comm

rednet.open(“back”)
dofile(“gui.lua”)
gui.debug=false

local s = gui.screen()

s:setBackgroundColor(colors.black)

local i = s:add(gui.button(“impulse”))
local ib = s:add(gui.button(“on”))
ib:onClick(function(function(button, frame, event, x, y)
  rednet.send(8, “on”)
  i:setBackgroundColor(colors.green)
  s:draw()
end)

s:draw()
s:wait()
s:reset()