The historical data display element list of Velcro touch screen flashes continuously.

Does the subject want to ask, "What is the reason that the historical data display element list of Velcro touch screen keeps flashing?" ? Power supply problem, touch screen hardware failure.

1. power supply problem: check whether the power supply connected to the touch screen works normally, and whether there is voltage fluctuation or power supply instability that causes flicker.

2. Touch screen hardware failure: It is the touch screen hardware failure that causes the data display element to flicker. You can plug in and out the touch screen cable again to check for poor contact or looseness.

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