resistive touch screen have 4 | Microcontroller › PIC › How to interface touch screen and sd card to microcontroller › resistive touch screen have 4 March 8, 2016 at 5:53 pm #13766 Ashutosh BhattParticipant resistive touch screen have 4 wire interface. it gives 4 channel analog output. you need 4 channel ADC external or internal to micro controller to detect the touch
