ESP32-OBD2-Gauge icon indicating copy to clipboard operation
ESP32-OBD2-Gauge copied to clipboard

DIY bluetooth obd2 gauge with ESP32

ESP32-OBD2-Gauge

Last Update: Dec 11th, 2023.

This is ESP32 OBD2 Gauge for vehicle that compatible with obd2 (Special made for FORD vehicle) https://youtu.be/PkQaUJbzTNM My Image

Software:

  • Arduino IDE 2.1.1
  • modified TFT_eSPI library.

Hardware

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

  • 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

  • ELM327 bluetooth adaptor (recommened v1.5 not v2.1)

  • 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)
  • 5 layout page selectable display
  • Warning when parameter reach setting value
  • Adjustable warning value for each PIDs
  • CPU overheat protection
  • Auto turn on/off
  • Auto screen brightness
  • Change off screen to user screen with micro SDcard
  • Firmware updatable with micro SDcard

☕ Buy me coffee