If you already have a 7" TFT that is about 165mm x 105mm in size (with a visible area equal to or smaller than ~152mm x 91mm), you can put this glass resistive overlay over it to add a resistive touch screen.
Note the 7" is the 'nominal' size - which fits many TFT's called 7" displays. Check the inner/outer dimensions in the technical specs to compare against your display.
To use, first remove the protective plastic wrap from both sides. Attach to your touchscreen controller (we suggest our AR1100 USB touch adapter if you need USB mouse interface, or the STMPE610 breakout for I2C/SPI) and test to make sure the screen works over all - remember that only one side will work for touch, so flip it over if you can't get it working. Once you know which way is up, and you've got the touch screen talking to your controller, use double-sided tape to attach it to your screen, carefully lining up the outer edges.
Resistive Touchscreen Overlay - 7" diag. 165mm x 105mm - 4 Wire (12:08)
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