Piston (OBD2 & ELM327)

Piston is the OBD II diagnostic application designed with the simplicity in mind.
The application is capable of:
- reading the live data
- showing the fault codes and clearing them
- displaying the logged freeze frame data

The application requires the OBD II Bluetooth or WiFi dongle (ELM327 based) to communicate with a car.

All the popular OBD II protocols are supported:
- J1850 VPW and PWM
- ISO 9141-2
- KWP 2000
- CAN (11 and 29 bits - both 250 and 500 kBit/s)

If you have any request, comment or suggestion, please don't hesitate to contact me.