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Resistive (4-, 5-, 7- and 8-wire) Sensor Materials Glass or Acrylic substrate, Spacer dots, Polyester sheet(s) Principle of Operation.

  • A touch compresses the flexible Top layer into contact with the bottom glass layer.
  • A voltage gradient is applied to the top and bottom layer (X and Y axis) sequentially.
  • The controller calculates the X and Y position of the touch based on the voltage gradient applied to one side and using the opposite side as a voltage probe.