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DPFBurn

  1. Download and install Arduino IDE

  2. Add support for TTGO T-Display

DPFBurn_Arduino_Preferences

Enter the URL https://dl.espressif.com/dl/package_esp32_index.json under Additional Boards Manager URLs

DPFBurn_Arduino_Preferences_Settings

The board can now be selected.

DPFBurn_Arduino_Board_Select

  1. Install necessary libraries

DPFBurn_Arduino_Libraries

  • Button2

DPFBurn_Button2

  • ELMDuino

DPFBurn_ELMDuino

  • TFT_eSPI

DPFBurn_TFT

  1. Change TFT_eSPI library to handle TTGo T-Display

Edit file %userprofile%\Documents\Arduino\libraries\TFT_eSPI\User_Setup_Select.h and change

Line 22 from

#include <User_Setup.h> // Default setup is root library folder

to

//#include <User_Setup.h> // Default setup is root library folder

and line 53 from

//#include <User_Setups/Setup25_TTGO_T_Display.h> // Setup file for ESP32 and TTGO T-Display ST7789V SPI bus TFT

to

#include <User_Setups/Setup25_TTGO_T_Display.h> // Setup file for ESP32 and TTGO T-Display ST7789V SPI bus TFT

  1. Download the files DPF.ino and FreeFonts.h

  2. Open the DPF.ino in Arduino IDE.

  3. Change the MAC address to your OBD II adapter MAC address on line 20 (my MAC is 86:DC:52:B5:F6:F1)

screen-20220726-161716.2.mp4

uint8_t _rgu8MACAddress[6] = { 0x86, 0xDC, 0x52, 0xB5, 0xF6, 0xF1 };

  1. Press CTRL + R to compile and check for errors.

DPFBurn_Arduino_Compile

  1. Press CTRL + U to flash the TTGO T-Display.

  2. Go to your car and check, whether a connection can be established.