PC Sender 2.1

os.loadAPI("touch")
mon = peripheral.wrap("right")
rednet.open("top")
mon.setTextScale(0.5)
 local t1 = touch.new("right")
 local t = t1

 function writeButtons()
    t1:add ("RDC", nil, 2, 2, 18, 8, colors.gray, colors.cyan)
    t1:add ("N-1", nil, 21, 2, 37, 8, colors.gray, colors.cyan)
    t1:add ("N-2", nil, 40, 2, 56, 8, colors.gray, colors.cyan)
    t1:add ("N-3", nil, 2, 10, 18, 16, colors.gray, colors.cyan)
    t1:add ("N-4", nil, 21, 10, 37, 16, colors.gray, colors.cyan)

    t = t1
    t:draw()
 end

writeButtons()
function Checkclick(p1)
    if p1 == "RDC" then
        rednet.broadcast("RDC")
    end
    if p1 == "N-1" then
        rednet.broadcast("N1")
    end
    if p1 == "N-2" then
        rednet.broadcast("N2")
    end
    if p1 == "N-3" then
        rednet.broadcast("N3")
    end
    if p1 == "N-4" then
        rednet.broadcast("N4")
    end
end
 while true do
  local event, p1 = t:handleEvents(os.pullEvent())
      if event == "button_click" then
      t:flash(p1)
      Checkclick(p1)
      end
  end