2.5 KiB
2.5 KiB
OBD2 Gauge (ESP32 Bluetooth)
This repository has been archived and is no longer maintained. (October 24th, 2025)
A fully functional code-updated Last Update: September 27th, 2024
This is an ESP32 OBD2 Gauge for vehicles that are compatible with OBD2 (Special made for FORD vehicle)
- Prototype https://youtu.be/PkQaUJbzTNM
- Current Model Short Demo https://youtu.be/vvBIeim7XTE
Software:
- Arduino IDE 2.3.2 + ESP32 arduino core 2.0.17
-
- IMPORTANT * this project won't work with ESP32 arduiino core 3.x.x
- modified TFT_eSPI library 2.5.43
Hardware
- ESP32 TFT2.8 320x240 with "RESISTIVE" touch board. buy here https://s.click.aliexpress.com/e/_Ew95gMl
- ELM327 Bluetooth adaptor (recommended v1.5 not v2.1) Highly recommend ELM327 Bluetooth adaptor https://s.click.aliexpress.com/e/_oo3THvG
- A small speaker for mobile phone 1 Watt 8 ohm 9x28 mmm.
- A push button 6x6x5 2 legs
- 3d print enclosure
- 12v to 5v dc micro usb power regulator module
- Gauge magnetic stand
Features:
- Show vehicle data 7 pids
- MAP - manifold air pressure (PSI)
- PCM - pcm voltage (volt)
- ENG LOAD - engine load (%)
- ENG SPD - engine speed (RPM)
- Coolant - coolant temperature (c)
- Oil Temp - engine oil temperature (c)
- TFT - Ford transmission fluid temperature (c)
- 8 layout page selectable display
- DTC read and clear function (Engine warning light only)
- Warning when parameter reaches setting value
- Adjustable warning value for each PIDs
- Configurable CPU overheat protection
- Configurable gauge Auto turn on/off
- Auto screen brightness
- Change off screen to user screen with micro SDcard
- Firmware updatable (micro SDcard and WiFi)
- VIN Read on the About page.
Flash Firmware Online
Emulador OBD2 / ELM327 Bluetooth incluido
En la carpeta se incluye el script para emular un adaptador ELM327 v1.5 y la ECU del vehículo vía Bluetooth SPP en Linux. Permite probar y validar la pantalla CYD en banco de pruebas sin necesidad de conectarse a un auto real. Consulta emulator/README.md para ver requisitos y modo de uso.