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Re : how to draw a design with a touch screen?

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thanks it works .
but somme point have bugs ( the position is not good when i draw it fastre )
 
 
electric shema :
                                                                                       ____________________y1 touch screen
                             ________ 10k homs ____________|__  A0 arduino
gnd arduino  ------|                                                          ____________________y2 touch screen
                            |________ 10k homs ____________|__   A1 arduino
                            |                                                          ____________________x1 touch screen
                            |________ 10k homs ____________|__  A2 arduino
                            |                                                          ____________________x2 touch screen
                            |________ 10k homs ____________|__  A3 arduino
 
how  can i  ameliorate the sensibility and the presision ?

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