This demo shows how the touch screen works and can display the point where you touch.
Follow the following steps to the touch-tft to ESP32 module and flash application to the ESP32.
Specific pins used in this example to connect ESP32 and touch-tft are shown in table below.
| touch screen Pin | Pin Mapping for ESP32_Core_board | | :---: | :---: | :---: | | T_CS | IO26 | | SDO | IO25 | | LED | IO5 | | SCK | IO19 | | SDI | IO23 | | D/C | IO21 | | RESET | IO18 | | CS | IO22 | | GND | GND | | VCC | 3V3 |
Notes:
whether use LCD display configed by make menuconfig.
Clone the code provided in this repository to your PC, compile with the latest esp-idf installed from GitHub and download to the module.
If all h/w components are connected properly you are likely to see the following message during download:
$ make flash monitor
First of all, the screen should be calibrated, you can follow the tips on screen. This step determines the accuracy of the screen display.
The screen displays the current touch point and acts as a drawing board.