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ESP32-OBD2-Gauge

Last Update: June 7th, 2024 -> A fully functional code updated

This is ESP32 OBD2 Gauge for vehicles that are compatible with obd2 (Special made for FORD vehicle)

Software:

  • Arduino IDE 2.3.2 + ESP32 arduino core 2.0.17
  • modified TFT_eSPI library.

Hardware

  • ESP32 TFT2.8 320x240 with "RESISTIVE" touch board. buy here https://s.click.aliexpress.com/e/_DB8Ht8N

  • 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 1Watt

  • A push button 6x6x5 2 legs

  • Aluminium Case Cover/Plastic 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.

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DIY bluetooth obd2 gauge with ESP32

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