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Advanced users • Monitor to display RS-232 data

I have a Raspberry Pi 4 connected to two scales controlling a bi-directional conveyor. The Pi receives RS-232 data from the scales using a dual port RS-232 HAT. On top of the RS-232 HAT sits a Sequent Microsystems Four Relay HAT.

The Pi has a Python script running that changes the direction of the conveyor when the scale reads a certain weight. The script has other logic; however, it's unimportant.

I'd like to display the weight of each scale on a single touchscreen monitor. Ideally, the display would show scale 1 on the left side and scale 2 on the right. In addition, it would be even better if I could control the relays using the touchscreen monitor. Basically, I'd like a "Stop" and "Start" button to control two of the four relays simultaneously so the machine operator can easily stop and start the conveyor if needed. My number one goal is the display of the weight on the scales.

Does anyone have any suggestions?

Statistics: Posted by ToddJ — Fri Apr 19, 2024 6:08 pm — Replies 0 — Views 22



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