All Questions
6
questions
0
votes
1
answer
125
views
Arduino still on after ground disconnected
I am using an Arduino to communicate with an OBD car scanner. It uses 2 digital pins for communication (7 and 11 SoftwareSerial.) I connected 12V power to VIN and GND. I also added ON/OFF switch in ...
- 115
-3
votes
2
answers
262
views
Setup for logging/displaying what command an OBD scan tool sends
I came across this video: youtube.com/watch?v=VtMvccqE8ks
Any idea/resources how to build this setup? I am not much interested in monitoring the CAN bus for commands (headers or CAN IDs) of power ...
- 45
1
vote
1
answer
2k
views
Hook up bluetooth antenna to an Arduino (Or similar)
I have a Bluetooth ELM327 adapter that I am using with my car's OBD2 port. I have an Arduino UNO compatible Magpie (Little Bird Electronics) which I would like to use to interface with this adapter.
...
- 165
1
vote
2
answers
6k
views
Interpreting CAN bus data from OBD port
I'm using an Arduino with MCP2515 and MCP2551 to read data from a CAN bus over the OBD-II port of my car, Honda Jazz 2012. From what I've read on other forums and the OBD wiki, I can transmit the PID ...
- 43
3
votes
2
answers
21k
views
Get current gear from rpm and speed through OBD2
I would like to modify my car with the help of Arduino to display the current gear. I wasn't quite sure where should I post this question as it is a car topic, as well as an electric engineering and ...
1
vote
2
answers
7k
views
Reading from CAN bus of a Chevrolet Cruze using an Arduino Uno
I'm using the Arduino Uno, CAN bus shield, and OBDII to DB9 Cable using their provided libraries. I was only able to initialize it.
Readings:
While connected to the car:
CAN-High: 2.7 V - 3.0&...
- 185