zozo
ELMduino
zozo | ELMduino | |
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1 | 9 | |
4 | 558 | |
- | - | |
0.0 | 7.9 | |
over 2 years ago | 22 days ago | |
Python | C++ | |
GNU Affero General Public License v3.0 | MIT License |
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zozo
ELMduino
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Connecting esp32 to a bluetooth ODB2sensor
Coding: You'll need to communicate with the OBD2 scanner somehow. Check out the ELMduino library which is designed to talk to the OBD2 scanner via ELM327 Bluetooth adapters. You might need to read through the library documentation and understand how to send/receive data.
- Melody Box linked to OBDII
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Using an ESP32 Wrover as an OBD2 Adapter that supports ELM327 Wifi/BLE and Webserver with Custom UI OBD2 webpage for Infotainment display
A small approach to a project https://github.com/PowerBroker2/ELMduino
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Identify rx/TX on an elm327
I believe its much harder to get data off of the elm327 via serial, there is a very easy example sketch on the ELMDuino library page on github. Here.
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OBD-II Vehicle data port to ESP32 anyone?
Not quite sure why you'd want to modify the reader. There's a boatload of WiFi ELM327 dongles for under $20 on Amazon. You can tap a 5V line to power the ESP32 in the vehicle for something permanent or use a power port for something portable. If you want to easy mode it, use something like the Elmduino library.
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Mini OBDII tachometer i made
I used this library. 99% of the code was already there. All I had to do was find the UDID number for my bluetooth scanner the esp32 would connect automatically. Now using the library I can pull just about any information from the OBDII port.
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OBD2 -> LED Matrix Help
So parsing out the ODB2, that device is an ELM based device, so this should make your life easier: https://github.com/PowerBroker2/ELMduino
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Arduino HUD for my Charger
Also, check out the code AND 3d print files here to make one yourself! If you want to make a different Arduino car-hacking project, be sure to check out my car-hacking library ELMduino!
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Raspberry Pi OBD GUI ?
This is a newer arduino library for interacting with cheapo ELM327 based devices https://github.com/PowerBroker2/ELMduino. I chopped up one of my OBD2 elm devices that was having bluetooth probs and hooked it via serial to an old arduino uno I had laying about. I got his software_serial demo to work, shows live RPM data. The hardest part was finding the serial lines in the ELM unit. If you've got an arduino based device with bluetooth then it should be snap.
What are some alternatives?
tesla-api - 🚘 A Ruby gem and unofficial documentation of Tesla's JSON API for the Model S, 3, X, and Y.
ELM327-emulator - ELM327 Emulator for testing software interfacing OBDII via ELM327 adapter supporting multi-ECU simulation
RoadApplePi - An elegent "Black Box" solution that can be retrofitted into any car with an OBD(II) port for minimal cost.
ArduHUD - Arduino/ELM327-based project to create a car head's up display
VWsFriend - VW WeConnect visualization and control
AndrOBD - Android OBD diagnostics with any ELM327 adapter
kia_uvo - A Home Assistant HACS integration that supports Kia Connect(Uvo) and Hyundai Bluelink. The integration supports the EU, Canada and the USA.
piObdDashboard - Dashboard application that collects and displays realtime car telemetry information such as speed, rpm, throttle, etc using a raspberry pi. A short clip of it running can be found here: https://www.youtube.com/watch?v=rTwZY9AT3mg&ab_channel=BrianChan
ddt4all - OBD tool
CoPilot - Raspberry Pi powered in-car infotainment system
crankshaft - Crankshaft: A turnkey GNU/Linux solution that transforms a Raspberry Pi to an Android Auto head unit.
pyobd - open source program for OBD2 car diagnostics