ThingDigger

local placer = "left"
local laser = "right"

local function find_slot()
    for i = 1, 16 do
        if turtle.getItemCount(i) == 0 then
            return true
        end
    end
    return false
end

local function pulse(side)
    rs.setOutput(side, true)
    sleep(0.2)
    rs.setOutput(side, false)
    sleep(0.2)
end

local function is_non_stone(front)
    local exists, what = turtle.inspect()
    return exists and type(what) == "table" and what.name ~= "minecraft:stone"
end

local function is_stone(front)
    local exists, what = turtle.inspect()
    return exists and type(what) == "table" and what.name == "minecraft:stone"
end

while true do
    repeat sleep() until turtle.detect()
    repeat pulse(laser) print "attempting conversion to ore" until is_non_stone()
    if find_slot() then turtle.dig() end
end