evDash/README.md

KIA ENIRO DASHBOARD

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

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

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).

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.

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).

Release notes

v1.1 2020-04-12

• added new screens (switch via left button)
• screen 0. (blank screen, lcd off)
• screen 1. (default) summary info
• screen 2. speed kmh + kwh/100km (or kw for discharge)
• screen 3. battery cells + battery module temperatures
• screen 4. charging graph
• added low batery temperature detection for slow charging on 50kW DC (15°C) and UFC >70kW (25°C).

v1.0 2020-03-23

• 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 W:\Documents\Arduino\libraries\TFT_eSP\User_Setup_Select.h

// Comment
//#include <User_Setup.h>           // Default setup is root library folder
// And uncomment
#include <User_Setups/Setup22_TTGO_T4_v1.3.h>      // Setup file for ESP32 and TTGO T4 version 1.3

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