STN1110 Multiprotocol OBD to UART Interpreter

http://www.obdsol.com/stn1110/

• Safe, secure bootloader. Reflash the firmware in the field, even over a poor quality link and avoid expensive product recalls.
• Fully compatible with ELM327 command set, ensuring out-of-the-box compatibility with the dozens of existing software applications.
• Extended “ST” command set provides access to enhanced functionality, without compromising compatibility.
• PowerSave mode with multiple sleep and wakeup triggers. Ideal for permanent in-vehicle setups, device can be left connected for extended periods of time without draining the battery.
  
• Perfect form factor for any application. STN1110 is available in SPDIP, SOIC and QFN packages.
• Support for all legislated OBD II protocols:
  • ISO 15765-4 (CAN)
  • ISO 14230-4 (Keyword Protocol 2000)
  • ISO 9141-2 (Asian, European, Chrysler vehicles)
  • SAE J1850 VPW (GM vehicles)
  • SAE J1850 PWM (Ford vehicles)
• Support for non-legislated OBD protocols:
  • ISO 15765
  • ISO 11898 (raw CAN)
• Support for SAE J1939 OBD protocol

http://www.obdsol.com/downloads/stn1110_vs_elm327.pdf

Quick Overview
STN1110 isthe world’ssmallest, lowest costmultiprotocolOBD toUART interpreterIC. Tomaintain compatibility with
existing applications, STN1110 hasfullsupportforthe ELM327 command set, while outperforming the original ELM327
IC in every category: price,size,stability, performance, and features.

https://github.com/nabilt/Bluetooth-ODB-2-Adapter/blob/master/obd_sch.pdf

http://sigalabs.com/shop/vehicle-obd2-shield/

https://www.sparkfun.com/tutorials/294

https://www.sparkfun.com/products/9555

https://www.sparkfun.com/datasheets/Widgets/OBD-II-UART-v13.pdf