Raspberry obd2. NOTE: Python-OBD is below 1.

Raspberry obd2 Combining the power of a car obd2 raspberry pi allows you to unlock a wealth of information about your vehicle’s performance, troubleshoot issues, and even customize its behavior. I had this lying around, otherwise you can Raspberry Pi Based CAN-BUS Reader: CAN networking is used in many industrial and Automotive applications as It is a robust 2 wire networking system, that significantly simplified the wiring of the model automobile, as it replaced Raspberry Pi Imager is the quick and easy way to install Raspberry Pi OS and other operating systems to a microSD card, ready to use with your Raspberry Pi. All This guide dives deep into building your own DIY OBD2 scanner with a OBD2 for Raspberry Pi with Pi-OBD add-on board or DXM OBD2 module and OBD2 software taken from my other labs project Firmware Update for OBD2-Analyser NG. But the TJD's Electronic Stuff I'm trying to connect elm327 Bluetooth with my raspberry pi and use the obd lib in python code to get car speed. 4GHz, up to three times faster than the previous generation. In this tutorial you will learn how to connect your Raspberry Pi to a Bluetooth OBD-II adapter and display realtime engine data to your cars aftermarket head OBD or On Board Diagnostics and OBD-II is a standard for communicating and reading data from a car, its standard across most modern cars and the likelihood is you have a connector in your car which you can read all sorts of data about the car such as RPM, Speed, Temperature and a million other things you wouldn't guess a car was monitoring. deal with it! crofter Posts: 83 Joined: Thu Feb 22, 2018 11:28 pm. Unlike dedicated OBD2 scanners with limited functionality, a Raspberry Pi offers a customizable platform for: Real-time Data Logging: Capture and store crucial vehicle parameters like speed, RPM, engine temperature, and fuel consumption over time. Imagine having a powerful, customizable diagnostic tool at your fingertips, capable of reading engine data, Connecting an OBD2 interface to a Raspberry Pi opens a world of possibilities for car enthusiasts and DIY mechanics. 2. Set up your Raspberry Pi dash cam with the AutoPi device, here's how. from SURYATEJA via hackster. Overview. Sat Nov 28, 2020 10:52 am . Several different programming options are available for configuring the simulator. It provides access to engine and transmission data, emissions information, and more. Result of that when writing sudo rfcomm: rfcomm0: xx:xx:xx:xx:xx:xx channel 1 clean. Here both the Raspberry Pi and the PiCan 2 are powered from the OBD 2 port. The Raspberry Pi OBD2 simulator is a powerful tool for automotive enthusiasts, students, and professionals alike. Works with ELM327 OBD-II adapters, and is fit for the Raspberry Pi. In this tutorial, you will learn how to connect your Raspberry Pi to a Bluetooth OBD-II adapter and display real-time engine data to your car’s aftermarket head unit! Step 1: Hardware Required: Raspberry Pi Model B or Connect to your ECU device (OBD-II board, CAN-Bus Shield, Raspberry Pi, etc. Deploy advanced software to our Edge devices. Sun May 08, 2016 11:48 pm . By combining the power of a Raspberry Pi with an OBD2 Unleash Your Car's Secrets: Building a Raspberry Pi OBD2 Reader - OBD Free US This video shows some real-time OBD2 data logging done with PiCan 2 together with the Raspberry Pi. On some cars you may not see any traffic through the CAN-bus on the OBD2 port. Hardware Required: 1. Raspberry Pi 2. Plugable USB Bluetooth 4. In the video, they OBD-Pi: Raspberry Pi Displaying Car Diagnostics (OBD-II) Data On An Aftermarket Head Unit In this tutorial you will learn how to connect your Raspberry Pi to a Bluetooth OBD-II adapter and display realtime engine data to your cars aftermarket head unit. All cars made since 1996 (in the US) or 2001 (in the EU) must be OBD-II compliant, Timeline OBD2. This project turns the Raspberry Pi into an OBD2 on-board In this tutorial, you will learn how to connect your Raspberry Pi to a Bluetooth OBD-II adapter and display real-time engine data to your car’s aftermarket head unit! Step 1: Hardware Required: Raspberry Pi Model B or B+ With a Raspberry Pi, a credit-card-sized computer, and some ingenuity, you can In all regularity, I receive inquiries from users attempting to connect their Raspberry Pi with PiCAN CAN Bus interface to their vehicle's OBD-II diagnostics port, and the questions asked prompted me to write down the On-Board Car Diagnostics with OBD II Pi Using Raspberry Pi @Raspberry_Pi #PiDay #RaspberryPi. The vehicle installation is quite simple. Using an OBD2 board from sparkfun that i've had for years. Our last project involved designing a head-up display (HUD) using Raspberry Pi, which communicates with the current, cars to bring important information. I've, connected and paired via bluetoothctl, added the device to rfcomm, but when I try to communicated via . Updated May 22, 2021; Python; ezod / autogab. Code Issues Pull requests Raspberry 3 based car computer. thagrol Posts: 12808 Joined: Fri Jan 13, Here are some ways this technology comes to life in Raspberry Pi projects with CAN Bus HAT integration: Automotive Projects: By utilizing the AutoPi device or similar CAN bus HATs, the Raspberry Pi becomes a powerhouse for automotive enthusiasts professionals. raspberry-pi ssm obd2 subaru. Why Choose a Raspberry Pi for OBD2 Projects? The beauty of Raspberry Pi lies in its versatility and affordability. This may not work for all makes and models, but this should give you a goo Understanding the Basics: OBD2 and Raspberry Pi. SmartiPi Touch case x 1 . fruitoftheloom Posts: 27225 Joined: Tue Mar 25, 2014 12:40 pm. Figure 1: Hardware architecture 3. pyOBD (aka pyOBD-II or pyOBD2) is an OBD-II compliant car diagnostic tool. They don't really need low level drivers - they appear as USB serial ports IIRC. OBD or On Board Diagnostics and OBD-II is a standard for communicating and reading data from a car, its standard across most modern cars and the likelihood is you have a connector in your car which you can read all sorts of data about the car such as RPM, Speed, Temperature and a million other things you wouldn’t guess a car was Why Choose a Raspberry Pi Zero for OBD2? The Raspberry Pi Zero, a credit card-sized computer, offers remarkable versatility despite its size and affordability. Combining “Obd2 For Raspberry Pi” opens a realm of possibilities for car enthusiasts and DIY mechanics alike. Raspberry Pi Camera x 1 . I originally wanted a way to read and graph information like speed and engine RPM but eventually expanded the features to include temperature, gps, air quality monitoring, etc. Connect ValueCAN 4–2 using DB-9F to OBD-II cable to neoOBD2 Simulator (optional) to receive or transmit CAN messages instead of a car. query (cmd) # send the command, and parse the response print (response. 0, meaning the API may change between minor versions. Additionally, other types of boards can be used to control different The fusion of cars and computers has opened up a world of possibilities, and at the forefront of this exciting intersection lies the “Raspberry Pi Obd2 Interface”. Installation $ pip install obd. it’s that easy. Insert the USB Bluetooth dongle into the Raspberry Pi along with the SD card. Sun Dec 17, The purpose of this project is to build a device that can track vehicles and read their OBD2 data. I get that screen terminates instantly. What would the steps be to use it like those ones that snap-on makes their $1,500? bob5731 Posts: 97 Joined: Mon Sep 02, 2019 8:19 pm. Find this and other hardware projects on Hackster. Margot Potemkine Margot Potemkine. This guide dives deep into building your own DIY OBD2 scanner with a Raspberry Pi, offering a cost-effective and highly customizable solution for car enthusiasts and tech-savvy drivers. Raspberry Pi 7-inch touchscreen display x 1 . Margot Potemkine. 1 2 2 bronze badges. Sponsor Star 9. If you encounter issues, double-check the connections and ensure the adapter is compatible with your vehicle and microcontroller. asked Aug 30, 2023 at 15:10. When combined with an OBD2 adapter, it transforms into a robust car diagnostic tool capable of: Reading and clearing Diagnostic Trouble Codes (DTCs): Identify and address those pesky engine lights. Now my python script: tzj said: @JamesH if android devices can use USB/OBD devices, then surely there"s Linux drivers, in some form at least. Hi, I'm working on a project that uses a Pi Zero W, and a USB hat that connects a USB GPS receiver and a 3G USB dongle. jayben Posts: 617 Joined: Mon Aug 19, 2019 9:56 pm. Re: Obd2. This will enable the device to read data from the car’s computer such as engine performance information, fuel consumption, fault code troubleshooting and more. Your car can communicate all kinds of data that you may not even have known it was collecting, like the note that the DB-9 port is not serial but OBD2, the 2nd item is just a dumb pin adapter and the serial side of the board, is 5v level, you need to get a 5v<->3. The adapter board’s spacers need to attached to both the Pi and the adapter before affixing it onto the GPIO pins and fastening the board to the Pi with some nuts. So, now there are even two variants to add OBD2 to Raspberry Pi: Variant 1: OBD2 for Raspberry Pi using the DIAMEX Pi-OBD add-on board. It'd be greatly appreciated if you liked and subscribed!python-OBD docs Every car has an OBD-II port, an interface into which a cabled (typically with a USB connector) or wireless (Bluetooth) device can be plugged. This comprehensive guide will walk you through the AutoPi dongle with OBD-II extension cable x 1 . Pi-OBD add-on board (*) OBD2 cable (*) 7" touchscreen (**) Raspberry Pi/Raspbian with free raspberry pi3 obd2 configurations are quite popular. In addition, examples of acquiring vehicle operating information such as Vehicle speed and By the end of this tutorial you should have a working CAN controller connected to the Raspberry Pi via the SPI bus. By connecting a Raspberry Pi to I am looking for help in designing a raspberry pi that can read current OBD-II data in real time and also read current faults/codes and display them in real time as well. Troubleshooting Connection Issues. ) Now, you can leverage the power of the simulator by verifying that the data being transmitted over the bus is what your ECU reader is receiving and vice verse. 0 Python-OBD is a library for handling data from a car's On-Board Diagnostics port (OBD-II). import obd connection = obd. Combining the versatility of a Raspberry Pi with the diagnostic power of Two peripheral devices capture necessary data: An OBD-II Bluetooth dongle, and a 9-DOF Inertial Measurement Unit (IMU). Re: How to use a raspberry pi as a mechanic scanner. Code Issues Pull requests OBD-II (STN11xx/ELM327) interface for automotive diagnostics in Python. A Raspberry Pi OBD2 HAT empowers you to transform your Raspberry Pi into a powerful car diagnostic tool. It comes with built-in WiFi and Bluetooth. To connect, go to Configure, select the right port and the right baudrate and click connect. I've also tried using minicom, Connect the other half of the cables to the AutoPi device and plug it into the vehicle's OBD2 port. How feasible is it to use a Pi to capture data from a vehicle's OBD2? What hardware would be required to do it? I'm going to add a Pi to a vehicle to function as a WiFi router/GPS tracking device, and it would be neat to also capture certain trouble codes as well. Attach the dongle. Read and display engine data, OBDII Trouble Codes &amp; Descriptions Using Python. hi Raspberry Pi Store. You might even be able to tune the engine, with the right skills and know-how. ⇊ More ⇊CHAPTER Bluetooth Connection issues with OBD 2. Before diving into the build, let’s clarify what OBD2 and Raspberry Pi are: OBD2 (On-Board Diagnostics II): This standardized system enables vehicles to self-diagnose and report issues. value) # returns unit-bearing The world of automotive diagnostics has become increasingly accessible to DIY enthusiasts, thanks to the versatile Raspberry Pi. It turns out that there’s a standard for reading data from all makes of modern car, called OBD-II (on-board diagnostics II). Re: OBD2. chazz894 wrote:I am looking to see if anyone has built a Pi for OBD2 programming / hacking. The OBD2 port allows you to get data directly from the vehicle using CAN. A guy has created a ODB2 data logger for his motorbike using a Raspberry Pi. Raspberry Pi 4 Model B: A more powerful option with faster processing speeds and up to 8GB of RAM. OBD stands for On-Board Diagnostics, and this standard connector has been Raspberry Pi 3 Model B+: Affordable and sufficiently powerful for most CAN Bus projects. Wed Dec 25, 2024 2:03 am . I can find libraries and information for USB and Bluetooth OBDII adapters, but can't find anything about using Wi-Fi This hack from [Greg Matthews] does just that, using a Raspberry Pi, a OBD-II Consult reader and an LCD screen to create a digital dash that can run alongside (or in front of ) your old-school Raspberry Pi 400 and 500 Raspberry Pi Pico General SDK MicroPython Other RP2040 boards AI Accelerator AI Camera - IMX500 Hailo; Software Raspberry Pi OS Raspberry Pi Connect Raspberry Pi Desktop for PC and Mac Other Android Debian FreeBSD Gentoo Linux Kernel NetBSD openSUSE Plan 9 Puppy Arch Im trying to do a small project where im trying to connect my raspberry pi to my bluetooth ELM327 OBD2 connector to read the data off of it. io. Firmware Compared to the original firmware v1. Connecting your Raspberry Pi to your car’s OBD2 port opens up a world of As a result, there are two options to add OBD2 to Raspberry Pi: This project is still in the development phase and it is open source. 25B Geaux Tigers. By connecting this compact device to your vehicle's Unleash Your Car's Data: A Deep Dive into Raspberry Pi OBD2 HAT - OBD Free US Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog. I'll be using GM only protocol commands for FAST scanning as i've written A scanner for Windows in the past. 8″ PiTFT screen displays real-time readings. Hey all, I've been trying to connect my raspberry pi to a ELM327 OBD2 reader. es gibt ja diese OBD2 stecker die Öl, Wasser, Run the executable or the script, connect the ELM327 to the computer and the car's OBD port, set the iginition on the car to on(you don't have to start the engine) and click CONNECT in the app. I'm im total novice looking for easy very easy obd2 style application on rasbien desktop so I can make obd2 gage in my mx5 plz help. To demonstrate the communication with OBD2 systems, a DragonBoard (or Raspberry Pi) is used to communicate with the ELM327 and request data from the OBD2 system. Out of curiosity and for fun, I thought it would be neat to make a digital "dashboard" for my car using a raspberry pi. <$10) PiFace Digital to switch video input & detect button presses. Introduction. I found this on GitHub but his The Pi-OBD-HAT is an off the shelf add-on board for the Raspberry Pi which converts the tiny computer into a dedicated OBD2 diagnostic tool. This K-line communication is also known as ISO 9141-2 or ISO 14230-4 (also known as Keyword Protocol 2000 or KWP). OBD # auto-connects to USB or RF port cmd = obd. Add on digital Gauges for an Alfa Romeo Giulia. Using a raspberry pi and Bluetooth OBD2 adaptor. I am trying to do this while SSHing the raspberry pi onto my windows 8. If you are looking for the more technical details on getting your own Raspberry Pi carputer up-and-running, please see the official obdPi documentation here. am andren hängt eine Rückfahrkammera. Before you get started, make sure you have the following I have a Bluetooth OBD II scanner but from China. Pi-OBD add-on board (*) OBD2 cable (*) How to transmit and receive high speed CAN or CAN FD messages using Raspberry Pi. 0. It will basically allow you to talk to your car's ECU, display fault codes, display measured values, read status tests, etc. I've built dash clusters based off the Raspberry Pi before, but here's the latest full guide with all my tweaks to building a FAST booting PI. 1. One disadvantage was the need of a terminal program running on a PC for control. Obd2. Code is being adapted by from JoelZeller's GitHub https:// raspberry-pi; bluetooth; screen; bluez; obd-ii; Share. It allows you to simulate the behavior of a Raspberry Pi OBD2 Simulator: A Comprehensive Guide - OBD Free US The world of car diagnostics has become increasingly accessible with the rise of OBD2 technology and the versatility of the Raspberry Pi. However, a couple of I'm making a carputer/car computer/car stereo and can not find a obd2 to us b for Linux does anybody know of one or know how to make one work in raspbian or openauto? I do strange things and am sometimes the techhead stereotype. Improve this question. screen /dev/rfcomm0. A raspberry pi obd2 reader opens up a world of possibilities for car enthusiasts and DIY mechanics. GoPro adhesive mounts x 2 . A 2. python automotive elm327 obd2 stn11xx. The mt-07 obd2 page provides Raspberry Pi OBD2: a powerful combination that unlocks a wealth of information about your vehicle's performance and health. Add a comment | 2 Answers Sorted by: Reset to default 0 Make sure you've loaded the bluetooth module into your kernel: Furthermore, DIAMEX developed a Pi-OBD add-on board based on their modern AGV OBD2 module, a follow-up module to the DXM, and I added support for AGV in my OBD2 software. This setup allows you to access and Log CAN bus & OBD data and extract it via USB, WiFi, 4G/LTE or Ethernet, or rely on our open-source API. Re: Pi for logging Vehicle OBD2 data? It supports the K-line OBD2 serial communication between a verhicle and a microcontroller. Raspberry Pi: Raspberry Pi OBD Dashboard. Follow edited Aug 30, 2023 at 15:38. There is also a pair of guys in the process of creating an OBD2 logging app using a Raspberry Pi, check out their blog: Pimyride with David and Alan. Sat Nov 28, 2020 3:48 pm . 1 the following main features have been implemented: support for 8 OBD2 capable ECUs; pending DTCs, OBD2 service 0x07 Putting a Raspberry Pi inside of a car is nothing new, OpenAuto Pro has made the process easy by providing a nice automotive head-unit and complimentary interface. The new Raspberry Pi 5 features the Broadcom BCM2712 quad-core Arm Cortex A76 processor @ 2. Download and install Raspberry Pi Imager to a computer with an SD card reader. It is designed to interface with low-cost ELM 32x OBD-II diagnostic interfaces such as ELM-USB. It can access and interpret vehicle diagnostics, track real-time telemetry data, and even conduct fleet Around a year ago, I started on a project to build a Raspberry Pi-based carputer capable of outputting OBD-II engine data to a 16x2 character OLED display, and I wanted to share my experience with you all. 3v level shifter for the serial comms then you dont have to modify anything, or you could just use this schematic as an example of how your modifications would fit into the existing board pyOBD (aka pyOBD-II or pyOBD2) is an open source OBD-II (SAE-J1979) compliant scantool software written entirely in Python. 2. Once connected you’ll be able to interrogate your car’s onboard computer, check errors, monitor performance, and perform diagnostics. AutoPi Raspberry Pi 3 adapter x 1 . With the adapter in place, you can now add the dongle on OBD2 Raspberry Pi projects are gaining popularity among car enthusiasts and DIYers. I am looking to see if anyone has built a Pi for OBD2 programming / hacking. Raspberry Pi Store. Re: Pi OBD-II reader. NOTE: Python-OBD is below 1. Hallo Ich möchte gerne die OBD Daten Grafisch auf meinem LCD monitor darstellen. Sat Oct 26, 2019 12:05 am . You can also power the Pi from I have a Wi-Fi enabled OBDII dongle for my car and want to connect it to my Pi to log diagnostics. There Raspberry Pi with Bluetooth & Wi-Fi (inbuilt or USB dongle, doesn't matter) OBD2 Bluetooth module (buy from eBay, Aliexpress, etc. YouTube video: https://w Raspberry Pi OBD-II Carputer (obdPi) June 25, 2016. Enjoy! Yes. Buzzer, IR reciever for user interfacing and SD card added to store settings and logging data ( eventually ) Typical old 2004A (20x4) LCD screen via I2C. It ODBII graphic interface on a Raspberry Pi computer, using an ELM327 Bluetooth/USB device. Sensor information 3-1. broe23 Posts: 902 Joined: Thu Jan 28, 2016 9:35 pm Location: Central IL. Customization: Plans to create a custom project and prototypes, using the Python-OBD is a library for handling data from a car's On-Board Diagnostics port (OBD-II). Android / iOS software development isn't as beginner friendly as Raspberry Pi, but it will be a lot of hardware development before you wrap a Pico into something as sleek as an old smartphone. This potent combination empowers car enthusiasts and tech-savvy individuals to unlock their vehicle’s inner workings, diagnose problems, and even customize performance parameters. SPEED # select an OBD command Raspberry greeny Posts: 7 Joined: Mon Jun 24, 2019 3:20 pm. Connecting a Raspberry Pi Obd2 Scanner to your car opens up a world of possibilities, from monitoring engine performance to diagnosing pesky check engine lights. In this guide, we'll delve into everything you need to Building a Raspberry Pi OBD2 System: A Comprehensive Guide - OBD Free US Works with ELM327 OBD-II adapters, and is fit for the Raspberry Pi. Der LCD monitor hatt noch einen Gelben Video chinch anschluss frei. I have found the open source codes for reading the data off of the the OBD from github. The Pi Zero would collect the location of the car along with engine data through a Bluetooth OBD2, and send all the data through the 3G dongle to a server. To use the OBD2 software with your OBD2-Analyser NG, you need a PC or Raspberry Pi with Bluetooth adapter. The Raspberry Pi communicates with the BNO055 via I2C and with the ELM327 via Bluetooth (see Figure 1). Software Requirements: Developing the software in Python or C++, using libraries for CAN bus communication, interfacing with the ELM327 chip via UART, and designing the UI for the This project took a hours of coding, wiring, and testing over the span of a few days. Star 7. Companies like Samsara and Verizon sell devices and monitoring services like this for fleet vehilces. Updated Oct 6, 2013; Python; igorbannicov / RPi3Car. During the summer of 2015, I was looking into boost gauges for my Fiesta ST, and came across a review for the 2016 Subaru WRX. I can’t find current information on it, seems most are out of date. This project turns the Raspberry Pi into an OBD2 on OBD2 for Raspberry Pi with Pi-OBD add-on board or DXM OBD2 module and OBD2 software taken from my other labs project Firmware Update for OBD2-Analyser NG. 1 laptop using putty. Insert the OBD-II Bluetooth adapter into the SAE J196216 (OBD Port) connector. Ich habe mir gedacht das müsste ja mit dem Rasperry PI gehen. OBD 1 vs OBD 2 On-Board Diagnostics (OBD) systems, developed in the 1960s, have evolved significantly, with OBD1 in the early 1990s offering basic, manufacturer-specific diagnostics for emissions control, and OBD2, mandated since 1996, providing a standardized, comprehensive system that monitors a wide range of vehicle functions. It can stream real time sensor data, perform diagnostics (such as reading check-engine codes), and is fit for the Raspberry Pi. Currently, the software runs on PC and Raspberry Pi. Store information; With the use of special modules and boards, your Raspberry Pi can be connected to an OBD(onboard diagnostics) port in the vehicle. The gateway acts like a firewall between the networks, In this video, I show you how to use an ELM327 to sniff OBDII packets on your car. Sun Jan 29, 2017 9:48 am . Power up: Turn on the ignition of your vehicle (do not start the engine) and power on your microcontroller. of so y would love to know more about it. . This library is designed to work with standard ELM327 OBD-II adapters. SPEED # select an OBD command (sensor) response = connection. Adafruits The AutoPi hardware comprises two parts: the adapter board that slots onto the Raspberry Pi like a HAT, and the OBD-II dongle. I had the raspberry pi 3 with Bluetooth built-in in Wi-Fi. A raspberry pi obd2 system offers a powerful and affordable way to access your car's diagnostic data. Tue Aug 28, 2018 3:44 pm . Aftermarket head unit (Note: Must support Auxiliary input) 3. Background. All newer vehicles (except some EVs) have an OBD2 port. Code: Select all. Raspberry Pi 3; BNO055; ELM327 OBD2 Scanner; Inverter; Monitor; keyboard / mouse(if need) The Raspberry Pi acts as the main computer, collecting data from the BNO055 and ELM327. Hardware Requirements: Raspberry Pi Pico, SparkFun OBD-II UART board with ELM327, CAN bus interface, display screen (OLED/TFT LCD), connectors, and necessary cabling. This is due to the fact that there is a ‘gateway’ present between the OBD2 port and the various CAN networks. Put the SD card you'll use with your Raspberry Pi into the reader and run Raspberry Pi Imager. Pi-OBD add-on board (*) OBD2 cable (*) via Stuff About Code. Basic Usage. I've bind the device as below: sudo rfcomm bind /dev/rfcomm0 xx:xx:xx:xx:xx:xx. With RAM variants up to 8GB, this is the fastest, OBD2 an Raspberry. He includes links to github where you can find the source code as well as detail about the USB -> OBD2 interface he used. Check out the programming manual for more I want to try to build a small solution that can read data from OBD2 of a car, but I am unable to find clear guidance on how to achieve it. commands. Furthermore, DIAMEX developed a Pi-OBD add-on board based on their modern AGV OBD2 module, a follow-up module to the DXM, and I added support for AGV in my OBD2 software. Some essential AT commands are also introduced to customize the behaviors of the ELM327L. magyy xqdumrj lqa mbpntu uaww meb mnfgpygd apb fqchh rmx