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October 22, 2014 AT 3:57 pm

NEW GUIDE: AR1100 Resistive Touch Screen Controller Guide @Adafruit Learning System

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NEW GUIDE: AR1100 Resistive Touch Screen Controller Guide

Get calibrated with the AR1100 USB touch controller

Getting touchy performance with your screen’s touch screen? Resistive touch screens are incredibly popular as overlays to TFT and LCD displays. If you want to connect one to a computer you need something to handle the analog to digital conversion. Most converters we’ve found are not very easy to use, and are ‘fixed’ – making them difficult to calibrate.

The AR1100 is a nice chip that solves this problem by acting as a touch->USB converter and also comes with calibration software. The calibration software is Windows only, but once you’ve calibrated you can use the screen on any OS. The AR1100 shows up as a regular Mouse or Digitizer HID device so no drivers are required and it works on any operating system that supports a USB mouse (that is, every single one we’ve ever seen) There is also a red LED that lights up to indicate when a touch has been detected.

Read the full guide here!


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