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Home > General > How can I send signals to the cobot from an arduino and the othor way around?
maxhuizing

Hi,

I want the cobot to send a signal to my arduino so that the arduino knows when to use the steppermotor. Is it as easy to just have a single wire between the cobot and the arduino??

Hope someone could help

Max Huizing
bcastets

Arduino have 13 IO pins with voltage of 0 to 5V.
UR controller also have IO but the voltage is 0 to 24V.

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You could connect an IO output of UR controller to the arduino via a relay.

  1. UR output goes high (24V)
  2. Under the 24V the relay switch on
  3. With relay on the input pin of the arduino is supplied with 5V
Here below is an illustration of a possible relay connection.
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maxhuizing

which relay would you advise me to buy??
bcastets

I guess something like this would be ok:
https://www.digikey.ca/en/products/detail/omron-electronics-inc-emc-div/G5Q-1A4-DC24/355242

You need to have a coil which activate at 24V.