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Questions tagged [obd-ii]

OBD-II is an automotive term referring to the diagnostic system of a car. The OBD-II specification includes standardized hardware and message protocols. With an OBD-II connector, it's possible to read the diagnostic data from the car, e.g., vehicle speed, RPM, mileage, airflow.

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One simple class that manage Bluetooth connection for each Fragments in Navigation Drawer

In my application that in the beginning i only manage a single Activity for connect and exchange data with OBD2 via bluetooth i add a navigation drawer and more tasks that some of them still use bluetooth connection. For not to weigh bluetooth for…
Dario
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There is any GPSR tracker with the ELM327 features?

I'm looking for a device who has the capability to be a GPSR tracker and have the same features like ELM327 OBD II has. The features I'm talking about are: Engine RPM Calculated Load Value Coolant Temperature Fuel System Status Vehicle Speed Short…
Jorge Martins
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Get tank volume with ODBII in android

I want to receive the remaining tank volume and the current mileage of my car by using OBD II. Therefore I have bought an OBDII Bluetooth Adapter for my car. I am using the AndroidBluetoothChat for connecting to devices and establishing a…
WEIDER
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Is it possible to get real time crash info from the cars obd port?

I am trying to do a project about car safety and i was wondering if it is possible to use the cars own crash sensors (getting the info from obd port) to detect that there is a crash(real time) or do you have to install your own sensors in the car ?
John Brunson
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Sending command to OBDII using Ionic 3 native bluetooth plugin

I'm trying to get data from OBDII using ionic native bluetooth plugin. However, when i called write method to send the command to the device, no data was returned. The code I used is as below: readData(device){ …
wwood_cc
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IPhone Bluetooth Connectivity to external hardware device over ATCommand or any other way

I am working on bluetooth connectivity As I have to connect one hardware device (Like OBDii) but I don't know, how it is possible. Hardware device(Which is attached to the vehicle) will send ATCommand and we need to have interpreted that command…
virus
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Send a string message continously with delay via Bluetooth

I'm struggling with some problem with my Bluetooth App. The App is connected to the OBD2 interface via Bluetooth and my goal is to receive some data from my car like Speed, RPM etc. I made an app which has a button And when I click it I send a…
Matt199
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OBDII Based Lock/Unlock and Engine Start/Stop

I want to know what it takes to build a device that can Lock/Unlock door and Engine Start/Stop for vehicles using OBDII. Is it possible? The idea is to make them app connected using Bluetooth Low Energy/ or 3G that connects with he car. If not…
alandalusi
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How to test OBD-II device ( for car ) response on android and iOS?

Currently I am upgrading an android and iOS app that will show Car RPM, speed, turbo and other things using OBD-II device (bluetooth). Most of the code was written on an old app source code and I am using that code on a new screen. The problem is…
Yogesh Saroya
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Fuel Consumption and mileage from OBD2 port parameters.

I am computing my fuel consumption from OBD2 parameter. MAF to be specific and I am receiving data on per second basis. Here is an section of my data. TS RS EngS MAF R MAP EL TD Travel 14:41:22 31 932 1056 98 23978 …
A-dude
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How to create a convert for OBD-II data in Wireshark?

We are trying to stream data from a car's OBD-II protocol via Wireshark. It's working fine and we get the IDs and data payloads out interpreted as CAN. However, we would like to take it a step further and "scale" the data according to the…
Martin
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Is ELM327 able to auto-connect to my android phone? How to know if it's already connecting on my phone without open OBD2 app?

I use ELM327 OBD2 Bluetooth. My use case is auto-connecting my Android phone to OBD2 via Bluetooth. But it seems OBD2 Bluetooth can't auto connect to my device. It does have pairing, but I didn't know is it really connected to my phone or not. I use…
Pewh Gosh
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Reading datas from obd elm327 python-OBD

I would like to log datas via OBD2 with ELM327, and I am new in Python. I can send a command and get a response. But I cannot send more queries and get the responses, only for the first command, the rest of responses are "None". My code: import obd,…
koger23
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bash terminal scripting for OBDII

Is it possible to write bash scripts and be able to execute them when the CAN on OBDII is so fast (500 kbit/sec)? Or the scripting is not a problem at all, but the used interface? I looked all over this site and internet, but did not find an answer…
EmbeddedGuy
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How can I create a OBD 2 Android application like torqe? Are there any software simulators available or I need a car to test application?

I want to create a OBD 2 android application like Torque. Are there any software simulators available for testing or I need a car with OLM adapter to test the application? I got to know about the github library…
aanchalharit
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