ELMduino

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Couldn't connect to OBD scanner (stucked)

18

hello thanks for your work! i'm currently stucked. I have uploaded this sketch: ESP32_Bluetooth_Serial ESP32_test but i receive the message "Couldn't connect to OBD scanner" i have this hardware: esp32...

gianluca-tursi

custom pid for DPF

17

hello! thank for your work, can you help me to create a sketch to read de DPF Clogging?, i know that the information to obtain are the following but i...

gianluca-tursi

ESP32 not connecting to ELM327

5

Hello I'm working on a vehicle black box system for my end-of-year project and i cant connect the esp32 to elm327 i ran the ESP32 test sketch and got the...

saleh-alobaidi

First time Bluetooth pairing between ESP32 and ELM327

1

Hello, At the moment I'm trying to build a similar project (ESP-32 connected to an ELM327 via Bluetooth) and I was wondering if there's a special procedure when the two...

paulhth

Protocol Data Point

4

Hello everyone With which data point can I see which protocol the ELM327 communicates with the vehicle? I would like to see which protocol is used. Best regards

Fichte79

PID 70: Boost pressure control (Service 01)

1

Hello, did someone was able to retrieve data for the Boost pressure control (Service 01, PID 70)? Wikipedia reports that data bytes returned are 10. I am trying using this:...

etnaskynet

When does `queryPid` return `true`?

4

Looking at the code for `queryPid` method, the docs states: https://github.com/PowerBroker2/ELMduino/blob/5d041617e79bad7487e69f722f8719f9f6ef4155/src/ELMduino.cpp#L575-L579 It seems to return the value of `connected` https://github.com/PowerBroker2/ELMduino/blob/5d041617e79bad7487e69f722f8719f9f6ef4155/src/ELMduino.cpp#L579-L585 Looking into the `sendCommand` method that is called by `queryPid`...

Ryccoo

ESP32_CheckPIDs_1_20.ino

1

What does this output mean/How to read it? 

thatdev6

How to read data if I know TXD RXF RXD and MTH

1

I want to read the transmission fluid temperature in my Subaru XV, but I don't know how to take the values. How to put it in the reading process to...

BCProgrammingTH

ERROR: ELM_TIMEOUT . Value received for a while and then error happens.

4

Hi @PowerBroker2 ! Thanks a lot for the library ! I have the same ERROR: ELM_TIMEOUT . Value received for a while and then error happens. Code below ``` //...

jimwhitelaw