4 wire
resistive touch screen MUX break out baord, can be used with any
graphical LCD in the back groung, features and usage VCC 5v output:
analog by touching the screen on any given point, you will get analog
voltage on the corresponding axis. “x” axis: moving from left to right
the voltage remains constant and moving from top to bottom the voltage
varies, (select pin should be active heigh). “y” axis: moving from top
to bottom the voltage remains constant and moving from left to right the
voltage varies, (select pin should be active low). To get the accurate
measuring axis of x and y, follow the instructions below: to get “y”
axis data output: select pin should be ground to get “x” axis data
output: select pin should be tied to vcc toggle select pin to heigh and
low pulses to get “x” & “y” axis data correspondingly and get the
output analog volates of the corresponding axis. Inclusions 1 x 4 wire
resistive touch screen MUX break out board
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