Touch screen has no response
I am investigating why my crowpanel 3.5 resistive is not responding to touch.,
I have install the libraries, and I am using the arduino Code from TST_eSPI library: Examples>TFT_eSPI>Tests And Diagnostics > Test_Touch_Controller.
I am using the User_setup.h provided by elecrow for the TFT 3.5 in screen:
#define TFT_WIDTH 320
#define TFT_HEIGHT 480
#define TFT_BL 27 // LED back-light control pin
#define TFT_BACKLIGHT_ON HIGH // Level to turn ON back-light (HIGH or LOW)
#define TFT_MISO 12
#define TFT_MOSI 13 // In some display driver board, it might be written as "SDA" and so on.
#define TFT_SCLK 14
#define TFT_CS 15 // Chip select control pin
#define TFT_DC 2 // Data Command control pin
#define TFT_RST -1 // Reset pin (could connect to Arduino RESET pin)
#define TFT_BL 27 // LED back-light
#define TOUCH_CS 33 // Chip select pin (T_CS) of touch screen
I have uploaded the sketch and terminal is open with the correct baudrate.
Pressing the screen does not give any feedback in the Serial.
Can you please help me resolving the issue? Did I receive a faulty touch screen?
Comments
as indicated in the comment on the tutorial video:
" I swapped the TFT_MISO and TOUCH_CS pins " and it works.
So, it may interfere with the SD card, if I refer to the schematic. Can you please provide more clarification?
Dear sylvanoMTL,
Hope you are doing well!
What is the hardware version of your product? (You can check the version number on the back of the product.) Different hardware versions have corresponding schematics.