Overview
This resistive touch screen can be
used with a stylus or fingertip and is easy to use with a microcontroller. You
can put it over a paper overlay for a touch control panel or attach it to an
LCD to DIY a touch-activated display. Readings are taken by putting 5V across
two of the pins and doing an analog to digital conversion on the other two
pins. Full X and Y position can be achieved with only 4 GPIOs.
Touch Screen
Features:
- 2.2" x 2.75" (55mm x 70mm) overall dimensions,
- 1.5mm thick.
- 3.2" diagonal active area, 80mm
- 600 ohms across X pins, 300 ohms across Y pins
- 4 wire resistive display, on a 0.5mm FPC connector
- Adhesive backing to attach easily to LCDs
