fgoo/esp32-obd2-gauge

DIY bluetooth obd2 gauge with ESP32

ESP32-OBD2-Gauge

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

Software:

Arduino IDE 2.0.4 TFT_eSPI with modified library in sketch folder https://github.com/Bodmer/TFT_eSPI

Hardware

• ESP32 TFT2.8 320x240 with touch board. https://www.youtube.com/watch?v=d2OXlVcRYrU
• 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

License and Credits

Developed by Ratthanin W (2023)

Released under the GPLv3 license.