Third Party Board acting as Button
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Hey I have an idea and im not sure if I can implement it correctly. So I have a secondary board inside of my machine which watches a lot of things like current voltages and temperatures inside of my machine. Now if some kind of sensor reaches a certain limit I want to give the Duet a signal to execute an emergency stop. How could I do this. I thought giving both the same ground and then using one of the end stop pins and putting 5v onto it. My duet currently runs at 24v so would this be possible (Duet 2 WiFi).
Sincerly
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@staticred said in Third Party Board acting as Button:
I thought giving both the same ground and then using one of the end stop pins and putting 5v onto it. My duet currently runs at 24v so would this be possible (Duet 2 WiFi).
That that will work provided that the third party board can pull the endstop input down to 0V. Note, older Duet WiFi boards were not designed for more than 3.3V on the endstop inputs. Later ones can tolerate up to at least 8V.
Duet WiFi hardware designer and firmware engineer
Please do not ask me for Duet support via PM or email, use the forum
http://www.escher3d.com, https://miscsolutions.wordpress.com -
@dc42 Hey thank you for the quick answer. I have the latest Duet 2 Wifi I think and it already works fine with Endstops from the outside. So I will just send a High signal 24/7 and then say my Arduino to set the pin to low for a short duration and then back to High? What kind of duration can you recommend?
