I use a K70 and I would like to plug a display wich comport a touchscreen. Do i need to use a controller between the touchscreen and the K70 or i can directly plug the touchscreen to ADC pins ?
Thanks a lot !
No, you don't need a dedicated controller, you can use ADC and GPIO. CRTOUCH used in the TWR-LCD-RGB have extra functions like gesture recognitions.
There is a guide to using resistive touch screens with ADC/GPIO here: http://www.utasker.com/docs/uTasker/uTaskerTouch.PDF
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