obd2

App uses OBD2 Bluetooth plug, it has ELM327 V2.1 IC that connects to all OBDII protocols. The app reads common PIDs, DTC (faults) and VID. To add PID you can use https://en.wikipedia.org/wiki/OBD-II_PIDs#Bitwise_encoded_PIDs Code based on bluetooth example. The USB diagnostic plug...

App uses OBD2 to USB from Ebay, it has ELM327 V1.5 IC that connects to all OBDII protocols. The app reads common PIDs, DTC (faults) and VID. To add PID you can use https://en.wikipedia.org/wiki/OBD-II_PIDs#Bitwise_encoded_PIDs Code uses felUsbSerial lib. The USB diagnostic plug with ELM327 v1.5...

Rev counter using OBD2. Rquests RPM (PID 010C) every 0.2 sec. ELM327 V1.5 to USB.

RPM meter connected to Bluetooth OBD plug with ELM327. To request RPM you send to the ELM327 "010C" and the reply is: 7E8 04 41 0C 0D 80 . 7E8 = reply to test, 04 = reply with 4 bytes, 41 = reply OK, 0C = PID (command) echo, 0D 80 = 2 bytes of data. Most of the code is derived from Erel's examples.

When you put a scanner on your car, see for yourself what the error code is and this app will explain it all for you such as cause, symptoms and much more. Don't let them fool you. Download Link

Simply reset your throttle body in order to fix throttle problems . (This function works on most cars like Hyundai, Mercedes Benz , BMW etc... Note: Throttle Reset works with an ELM327 based car scanner that plugs into the diagnostics socket in the car and pairs with this app over Bluetooth...

Hi There, I am very new to Bluetooth connection and also to OBDII. I was searching the forum topics lately and found some useful threads but I couldn't find one that would give a complete example on how to get the hang of the problem. On the first run I'd like to read the RPM data of my car's...