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I'm using the industrial I/O board along with a node red interface in a remote application where there is no internet access (maple syrup collection and processing). In my node-red application I use influx db and graphana locally to track and trend temperatures and flows. I just realized...

Question on the industrial automation card for Rasberry Pi. From the factory I was reading values 3.94 -13.3 in node red when driving the input using a signal generator. I used the same signal generator to calibrate one of the 4-20mA inputs. I ran the calibration command at at 4mA and...