Code

local ow_pin =   1 -- gpio-02
ds18b20.setup(ow_pin)

-- read all sensors and print all measurement results
ds18b20.read(
    function(ind,rom,res,temp,tdec,par)
        print(ind,string.format("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",string.match(rom,"(%d+):(%d+):(%d+):(%d+):(%d+):(%d+):(%d+):(%d+)")),res,temp,tdec,par)
        print("Temp : "..temp)
    end,{});