1.Copy TFT_eSPI to the directory 2.Open Arduino IDE, find TFT_eSPI in the file and example, the T-Display factory test program is located at TFT_eSPI -> FactoryTest, you can also use other sample programs provided by TFT_eSPI 3 In the Arduino IDE tool options, select the development board ESP32 Dev Module, select Disable in the PSRAM option, select 4MB in the Flash Size option, Other keep the default 3.Select the corresponding serial port. If you are not sure, please remove all the serial ports, leaving the board in the USB connection state, just select that one 4.Finally, click upload, the right arrow next to the tick Specifications: T-Display product features: 1. Color screen 2. Low power consumption 3. Add battery-powered charging circuit 4. New custom buttons have been added Package Included: 1xTT-Display (4MB) 1x charging cable 2x needle arranging