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Monthly Archives: July 2011

Standard colors on HMI

The lack of a standard on what colors to use on HMI screens is a serious problem, because the most of HMI graphic pages depended on the personal taste of the engineer that realized it. It’s not the first time that i see purple buttons, blue leds and green backgrounds. ...

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7 Segment Display with WPF with a custom font

7 segment displays is one of the best way to show present values in industrial programs. Operators are used to see numbers and values with¬† 7 segment led characters, and if the operator feels comfortable with what he sees, he works better and in a more correct way. So it’s ...

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