Datasheet

Resistive Touchscreen Manual Install & Calibrate

Setting up the Touchscreen

Now that the screen is working nicely, we'll take care of the touchscreen. There's just a bit of calibration to do, but it

isn't hard at all.

Before we start, we'll make a udev rule for the touchscreen. That's because the eventX name of the device will change

a lot and its annoying to figure out what its called depending on whether you have a keyboard or other mouse

installed.

Run

sudo nano /etc/udev/rules.d/95-stmpe.rules

to create a new udev file and copy & paste the following line in:

If you've grabbed our Easy Install image, or used the installer script, this step is not required, it's already

done! This is just for advanced users who are curious on how to configure and customize the touchscreen

This procedure is identical for the 2.4", 2.8", 3.2" and 3.5" Resistive PiTFTs. Not for use with the Capacitive

PiTFT!

SUBSYSTEM=="input", ATTRS{name}=="stmpe-ts", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"

https://learn.adafruit.com/adafruit-pitft-28-inch-resistive-touchscreen-display-raspberry-

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