drone control

local component = require("component")
local modem = component.modem
local event = require("event")
local unicode = require("unicode")
ben = 1
while ben = 1 do
modem.Strength(500)
local _, string, char, code, playerName = event.pull("key_down")
wasd = unicode.char(char)
  if (wasd == "w") then
    modem.broadcast(301, "w")
  elseif (wasd == "s") then
    modem.broadcast(301, "s")
  elseif (wasd == "a") then
    modem.broadcast(301, "a")
  elseif (wasd == "d") then
    modem.broadcast(301, "d")
  elseif (wasd == "x") then
    modem.broadcast(301, "up")
  elseif (wasd == "c") then
    modem.broadcast(301, "down")
  elseif (wasd == "t") then
    ben = 2
  else
    print("that is not an option press t to leave wasd control")
end
end
while ben = 2 do
modem.Strength(500)
message = io.read()
  if (message == "bu") then
    modem.broadcast(301, "break up")
  elseif (message == "bd") then
    modem.broadcast(301, "break down")
  elseif (message == "bl") then
    modem.broadcast(301, "break left")
  elseif (message == "br") then
    modem.broadcast(301, "break right")
  elseif (message == "bf") then
    modem.broadcast(301, "break front")
  elseif (message == "bb") then
    modem.broadcast(301, "break back")
  elseif (message == "end") then
    ben = 1
  else
print("that is not a choice")
end
end