5 responses to “Arduino temperature logging and webserver with RTC”

  1. Syncing DS1307 RTC with timeserver

    […] last data logging sketch was missing one feature to make it complete. Since I use a DS1307 RTC which is not very accurate, […]

  2. panithi

    very cool

  3. Pawel

    great work done, thanks

  4. Nick

    Hi Bajdi,

    I hope you don’t mind me posting this here.

    Your code has been very helpful! I have made some additions. I have added support for logging the data from the DS18B20 to a Phant.io server. Specifically the one hosted by data.sparkfun.com. I’ve added to the webserver part of your code a Google Charts JavaScript graph of the sensor output.

    Here is a link to my project and the modified code (with plenty of references back to this page and your work):


    There’s a link on that post where you can see the Google Chart in action. Let me know what you think.

    Thanks again for your efforts!

  5. FernandoRomeroM

    Hi Badji, I’m testing your code, without sensors, only the command to read the RTC and write in the SD.
    The code is compiled and loaded without problems, but when it runs the output in the SD is like: 165/165/2165 165:165:85
    do you know why?
    The RTC is syncronized, and can read it if I used only the Arduino Uno R3, but if I use Arduino whith ethernet shield, the RTC don’t run.

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