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How do you communicate between touch screen controller and a microcontroller?
Wiki User
∙ 12y ago
If it is a resistive touch screen you can just use an ADC to interpret input (or an analog pin on your micro controller). Chips designed to interface directly with a touchscreen usually use SPI or UART or I2C to communicate, so just check the data-sheet on the controller, and you should be able to get it working. If it is a capacitive screen it will be harder, especially since, as far as I know most capacitive screens have a built in controller, and are usually difficult to work with.
hope that helps
Wiki User
∙ 12y ago
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