I wanted to create a system where an NXT block would be set into function at a certain time of day (maybe 5:00 and then 5:10 and so on). I would want the timing function to be embedded into the NXT program. Is this a possible function? I have looked for documentation on the web but have not found anything useful..

2 Answers 2


To get the actual time of day, you can use the mindsensors.com Realtime Clock Sensor.


Time is thought of as a sensor value, measured in seconds. The Timer sensor can be used directly, as part of a Wait For block, as part of a Loop block.

  • 1
    Is there a numerical limit to the sensor block? It seems 86,400 seconds between each function is quite a long time.
    – Ambo100
    Aug 26, 2014 at 22:54
  • 86400 seconds is a long time for an NXT. I think mine shuts down after ten minutes of inactivity. If it can be set to never shut down, how long do the batteries last?
    – dfrevert
    Aug 27, 2014 at 13:00

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