block_farm.lua

local gearshift = "right"
local clutch = "top"
local trigger = "bottom"
local enable = "left"
local timing = 0.95
local delay = 0.1

local upDir = false
reader = peripheral.wrap("blockReader_0")
data = reader.getBlockData()

function homing()
    if data == nil then return true end
    if not data.id == "create:sticker" then return true end
    return false
end

while homing() do
    redstone.setOutput(gearshift,not upDir)
    redstone.setOutput(clutch,true)
    sleep(timing)
    redstone.setOutput(clutch,false)
    sleep(0.5)
    data = reader.getBlockData()
end
print("down!!!")
redstone.setOutput(gearshift,not upDir)
redstone.setOutput(clutch,true)
sleep(timing)
redstone.setOutput(clutch,false)
sleep(1)


redstone.setOutput(gearshift,upDir)
redstone.setOutput(clutch,true)
sleep(timing)
redstone.setOutput(clutch,false)

while true do
    while not redstone.getInput(enable) do
        sleep(1)
    end
    sleep(delay)
    redstone.setOutput(trigger,true)
    sleep(delay)
    redstone.setOutput(trigger,false)

    redstone.setOutput(gearshift,upDir)
    redstone.setOutput(clutch,true)
    sleep(timing)
    redstone.setOutput(clutch,false)

    sleep(delay)
    redstone.setOutput(trigger,true)
    sleep(delay)
    redstone.setOutput(trigger,false)

    redstone.setOutput(gearshift,not upDir)
    redstone.setOutput(clutch,true)
    sleep(timing)
    redstone.setOutput(clutch,false)
end
print("completed!")