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If I'm following you correctly and you want to test for a "not true" state, then use the not-equal-to operator !=

Yep, all those things can be scripted, just as you describe. I posted my script a while ago somewhere in this thread for doing below.

Try /globals, not /global.

Based on your screenshots, it looks like your BC server (192.168.168.40) and iSpindel (192.168.4.1?) are in different subnets. If that is the case, do you have a route between them?

I'm ready for native 4-20ma inputs!

I have several of these as well. If going to tri-clamp, these work great and thread right on/off as needed. Also keep in mind that they need to be a bit of a distance away from flow disturbance like the pump or a valve (I think its 6x pipe diameter) otherwise they can give faulty readings. As...

Only option currently is an ESP32.

I ran into an issue today but I can't seem to replicate it. In the script window, I'm not sure what I did but all the line numbers in that particular script disappeared. I'm guessing that I can restart the program and they will reappear, but its not really opportune at this moment to do it, so...

Try the top left and top right corners of the script window to adjust vertical height. If a horizontal scroll bar comes up when you open the script window, the corners are just below the left/right arrows.

Is that power supply only for the MEGA? If so, turning down the voltage can ease the load on the regulator, thus letting it run cooler. I have a separate supply for mine and I run it as low as it would turn down to which was about 10.5v.

How fast are you polling the Arduino (assuming 1s) and what is your timeout setting (assuming 3s)? What firmware are you running on the MEGA? My understanding is that functions like PID are maintained at the interface level, so a random disconnect should leave the interface maintaining...

I have the same kettle, 5500w is more than enough. In fact, when it comes time to replace that element, in going to swap it for a 4500w. Edit: should also mention that I'm using a condenser.

For your first example, its not paused, its just that the 500ms wait is the longest wait in the script sequence and step one and two are executing so fast that its not displaying. Type "print 1" between your two alarm statements and you'll see that its still executing over and over in the...

Sleep will always wait the time set at that line before advancing to the next line. Goto will always immediately jump to the set place and execute the next line. Just keep in mind that the BC interpreter can process thousands of lines of script per second (probably more), so if you need to...

You need another sleep 500 after you switch the alarm background to 2. Without a pause there, you are changing to 2 but immediately changing back to 1, so you never see it change.

Interesting, I'm not sure what the issue is either then. Mine is an Espressif unit, but changing the bootloader definitely made it work. Oh well, its sorted either way if someone else has issues.

Oh sorry, I misunderstood how the unicon was setup as far as I/O. I think you are on the right track.

If you are more comfortable crimping vs soldering and are ok with the increased costs, I think the shielded patch panel will work fine. Keep in mind that the UniCon has 8 IO, but there are typically more than 8 wires associated with those 8 IO points. For example, the valves I use require 3...

Sure, if you have STP at your disposal, then use it, just make sure to ground the drain wire at the panel side.

I think you could use Ethernet jacks and wiring for sensors, but you would be missing out on the benefit of shielding.