ccSensors Automated Lights application - documented

os.unloadAPI("sensors")
os.loadAPI("rom/apis/sensors")

local receiverID = 1 --Change this to the id of the computer controlling your lighting system

scontrol = sensors.getController()

print("Attaching Sensor Controller on "..scontrol.." side")
print("Press X to exit application")

avSensors = sensors.getSensors(scontrol)

sUseSensor = avSensors[1] -- You need to change the index here to match the index of the sensor containing the World Sensor
                          -- Module Card. SMP ComputerCraft is a bit glitched in that all sensors are named 'Sensor' even if
                          -- manually changed. Use the /ccSensors/console application to find the id of the sensor to use

avProbes = sensors.getProbes(scontrol, sUseSensor)

sWorldProbe = avProbes[1]  -- Probe index numbers are static, you can either assign variables like this or just go straight to
sAreaProbe = avProbes[2]   -- the area probe index (which is 2) as the Area Probe contains the light level data.
sBiomeProbe = avProbes[3]

do while true
--[[ Since I use a timer (set at 1 minute interval) to pulse the sensor 'controller' computer, I use the os.pullEvent() to
detect the redstone signal (or the exit keystroke) and then run the sensor routine. You could also use the built in Timer
function to simulate the same sort of thing (though it is slightly less reliable imo) ]]--
    local event,param1 = os.pullEvent()
    if event == "redstone" then
        if rs.getInput("back") == true then -- Change "back" to whatever side you have the redstone pulse coming in
            spReading = sensors.getReading2(scontrol,sUseSensor,sAreaProbe)
            sprLightLevel = spReading["LightLevel"]
--[[ Change the rednet.open("right") statement to reflect what side the modem is on your computer ]]--
            if tonumber(sprLightLevel) <= 8 then -- the getReading2 function returns all values as strings, you need to
                rednet.open("right")             -- convert the string to a number to properly compare the light level
                rednet.send(receiverID, "lightson")
                rednet.close("right")
            else
                rednet.open("right")
                rednet.send(receiverID, "lightsoff")
                rednet.close("right")
            end
        end
    elseif event == "char" then -- This just detects key presses and, if the proper key is pressed, exits the application
        if (param1 == "x") or (param1 == "X")
            term.clear()
            term.setCursorPos(1,1)
            print("Bye")
            return
        end
    end
end