| http://www.w3.org/ns/prov#value | - Both use SPI interface, and I think the difference is that the 7877 is a 12 bit resolution and the 7843 is 10 bit.I recommend using the TSC2006 from TI because it is TWI and you can use the TWI library in arduino to communicate with the chip.Also, read up on this article:http://www.circuitcellar.com/library/print/0100/dahlin-114/index.htmIt is a great resource on resistive touch screens, how they
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