KIA ENIRO DASHBOARD v1.0

OBDII dashboard for TTGO-T4 module (ESP32) + OBD BLE4.0 adapter. Programmed for KIA ENIRO 2020, but could work on Hyundai Kona EV. Contact me if not.

Author: nick.n17@gmail.com (Lubos Petrovic)

Supporting

• Buy Me a Beer via paypal https://www.paypal.me/nickn17
• EU companies can support me via IBAN/Invoice (my company is non-VAT payer in Slovakia).

Thank you for supporting me.

Older video from alpha version

Hardware and software

• TTGO-T4. I used this from banggood (T4 v1.3) ~ USD $30 https://www.banggood.com/LILYGO-TTGO-T-Watcher-BTC-Ticker-ESP32-For-Bitcoin-Price-Program-4M-SPI-Flash-Psram-LCD-Display-Module-p-1345292.html
• OBD BLE4.0 adapter. Ex. Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 ~ USD $30
• Software is written for Arduino IDE (ESP32).

Roadmap

• connect to BLE function and deploy HEX file for common users (easy installation)
• 2.screen with eNiro battery cells and temperature sensors
• 3.screen with charging graph
• ext.relay control to power on dashboard, sleep CPU to save AUX during parking
• etc.

Release notes

v1.0

• first release
• basic dashboard

About T4

ESP32-TTGO-T4 https://github.com/fdufnews/ESP32-TTGO-T4

Installation guide

• install arduino IDE + ESP32 support
• https://github.com/Bodmer/TFT_eSPI - display library
• Configure TFT eSPI You need to do some user setup in library folder (Adruino/library/tft/espi/userSetup..) - see TFT eSPI readme or google it. Settings for TFT_eSPI library - userSetup required for T4 v1.3

  #define TFT_DC   32            // v1.3 has DC on 32 port
  #define TFT_BL   4             // Backlight port - required (otherwise you obtain black screen)
  #define TFT_BACKLIGHT_ON HIGH  // Backlight ON - required

My configuration

• Board ESP32 Dev module
• Upload speed 921600
• CPU freq: 240MHz (Wifi/BT)
• Flash freq: 80MHz
• Flash mode: QIO
• Flash size 4MB (32mb)
• Partion scheme: default 4MB with spiffs
• Core debug level: none
• PSRAM: disable