Our client needed to revise the drink dispensers to confirm to American with disabilities act. They needed a second keypad on the bottom corner it would be accessible from a wheelchair. This keypad would interface to a Windows system as a USB HID keyboard.

This project features

  • PCB type capacitive touch.
  • Overlay was injection moulded ABS Plastic. The various icons were pad printed to the front fascia of this overlay.
  • communicated button press and release information through the USB HID interface similar to a regular keyboard.
  • Comes with a HID bootloader for firmware updates.
  • Multi button press rejection and a 30 second button press timeout made the keypad resilient to soda splashes.

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