Overview of China All ELM327 obd-ii Diagnostic Scanners

ELM327 OBD-II adapter is the necessary car Diagnostic Scanners, it allows you can diagnose vehicle problems, reset faults, tap into performance statistics, and basically see everything you ever wanted to know about the inside of your vehicle(s).

There have so much ElM327 obd2 Scanner, Bluetooth ELM327, USB ELM327, Mini ELM327, Wifi ELM327, ELM327 run on Apple iOS, run Android or PC-based? how to distinguish these ELM327 obd2 Scanner before you plan to buy a ELM327 OBD2 Diagnostic Scanner from china. Here, vipprogrammer.com will collect all kinds ELM327 in china market, and give some suggestion and introduction about these ELM327 obd-ii Diagnostic Scanners.


Different Kinds ELM327 can be divided into different categories:

1) Operating system (Apple iOS/ Android / PC-based / Symbian)

Different OS system need different kinds elm327 scanners, there are have some differences in software installation and usage. when you bought a elm327, you must to pick up the right one that fit with your phone / PC requirements.

2) Connection Mode (USB or Bluetooth or Wifi or RS232 Com port)

ELM327 obd2 scanners are designed to work through multi communication ways, WIFI, USB, RS-232 and Bluetooth.

WIFI:

WIFI ELM327: It is easy to communicate with a host device: (PC, notebook, iPhone, iPod touch, iPad and so on).

USB:

USB ELM327 used as an OBD-II diagnostic interface, and connect with your pc or laptop by USB cables

RS232 Com port

com port ELM327 just work with pc or laptop

Bluetooth:

Bluetooth ELM327 is the most popular, it work with almost Android / Symbian phone, and also work with laptop,


3) Case Design

small case ELM327, also called Mini ELM327 or super ELM327,  normal case ELM327 obd-ii Scanner, metal ELM327, Some even special designed with an ignition switch to expand service life. Some elm327 OBD-ii scanners are offered different color alternative.

4) the microcontroller chip

as you know, the original ELM327 use a PIC18F2580-I/SO (SOIC 28pin package) or PIC18F2580-I/P (DIP 28pin package) microcontroller made by Microchip, but in china, many factory use some replace ic chip, becuase reduce the cost, and cheaper price, so, bad quality ELM327 obd-ii scanner can't working well. Nothing for nothing and very little for a half penny, pls don't find the cheapest elm327 in china.

ELM327 OBD-II scanner works on 99.9% of today's cars, and Supports All OBD-II Protocols : ISO15765-4 (CAN);ISO14230-4 (KWP2000);ISO9141-2;J1850 VPW;J1850 PWM.

about the more information and history of ELM327 obd-ii scanner, you can visit:

http://elmelectronics.com/obdic.html