In computer block

write('Please enter the bot\'s id: ')
bot = tonumber(read()) -- the ID of the turtle

shell.run('clear') --clear the screen

mode = 0 -- set the mode to dig
rednet.open('right') -- open wifi port
while true do -- start infinite loop
event, key = os.pullEvent() -- wait for input
shell.run('clear') -- clear the screen again :P
if key == 's' then --if the s button is pressed
rednet.send(bot, 'backward')-- send message for down button
print('Backward') -- write on the screen
end
if key == 'a' then -- left
rednet.send(bot, 'left')
print('Left')
end
if key == 'w' then --up
rednet.send(bot, 'forward')
print('Forward')
end
if key == 'd' then -- right
rednet.send(bot, 'right')
print('Right')
end
if key == 200 then
rednet.send(bot, 'up')
print('Up')
end
if key == 208 then
rednet.send(bot, 'down')
print('Down')
end

if key == ' ' then --if the key is the spacebar
if mode == 0 then -- if on digmode
rednet.send(bot, 'dig') -- send message to dig
print('Dig') -- write it
elseif mode == 1 then -- if on placemode
rednet.send(bot, 'place') -- send message to place block
print('Place') --write
end
end
if key == 203 then --if the key is left
mode = 0 -- set to digmode
print('Dig mode selected.') --write it
end
if key == 205 then -- if right
mode = 1 -- set to placemode
print('Place mode selected.') --write
end
if key == 29 then --if the left ctrl is pressed
rednet.send(bot, 'rs') -- send message to enable redstone
print('Redstone activated.')-- write
end
end