Introduction:
An OBD-II code
reader is an electronic device that allows you to plug into your computer's OBD
diagnostic port and access technical information.
Check out the
other Frequently Asked Questions for more information on OBD.
The reader allows
you to view any stored diagnostic trouble codes (DTC's), which aids in
troubleshooting problems with cars and trucks.
OBD code readers
come in a variety of shapes and sizes. Some work in conjuction with a laptop computer
and software.
In those cases,
you basically get a cable and software.
In other cases,
the unit is handheld and does all the same functions, but in one neat, portable
package.
Features:
The features of
each OBD code reader depends on the make and model.
However, it is
common for most readers to have:
LCD screen
readouts
View diagnostic
trouble codes (DTC's)
Ability to reset /
clear DTC codes
Get
"snapshot" data so you can view what was going on when the code was
triggered
Higher-end OBD
code readers can have more advanced features such as:
Languages other
than English
Code definitions
right on the unit
Display freeze
frame data
In addition, some
manufacturers sell performance chips/tuners that include the OBD code reader
feature.
Pricing:
OBD-II code
readers vary in price.
They range from an
affordable price ($19.99) to many hundreds of dollars, or more.
Photos:
More Information:
If you're
interested in getting more information on OBD-II code readers or are interested
in purchasing one,
check out complete
list of Frequently Asked OBD Questions, and also the ads throughout this site.
Some brand names
of OBD readers are Carsara, Cartrend, Actron, Innova, etc.
Reference Links:
Obdii Code Reader,Auto Scanner ,Fault Code Reader ,Automotive Health Scanner Shenzhen Cartrend Technology Co, Ltd , https://www.cartrendthings.com
Here's a look at the characteristics and classification of integrated cameras:
The integrated special camera incorporates the camera into the camera, eliminating the need for additional lenses and assembly steps, providing consumers with a product that is easy to use, simple to install, and fully functional. As far as the current product shape is concerned, the integrated camera can be roughly divided into special types and general types. The so-called special type, is to emphasize that the product has special protective functions, so as to avoid the use of protective cover as the design starting point, and its product shell is mostly cylindrical, the project includes waterproof, riot (burst) type, bullet-proof cameras. The general model is based on the traditional model of the original camera. It also has a square appearance, while the built-in lens has a smaller size. Compared to special types or traditional cameras, the current general-purpose integrated cameras have all kinds of basic functions, such as automatic aperture, automatic zoom, clearness above 460 TV lines, automatic white balance, and backlight compensation. 
The key technology of the integrated camera is the lens and the circuit design inside the camera. The lens determines the imaging effect, aperture, and focusing functions, but also the maximum cost of the camera, and the circuit design is the key to affect the operation of the camera's various functions. The all-in-one camera uses a zoom lens and is most commonly used with 35 to 8mm lenses. For integrated cameras, boardLens are mostly used due to their small size. In the lens size section, the 1/4in lens is smaller for the integrated camera, but the 1/3in lens captures the best image quality and is still used by many integrated camera manufacturers, so there is still considerable room for development. . 
The circuit design relates to how to use the camera's automatic iris circuit to achieve the best results. In general, the auto iris has two kinds of driving methods, one is VideoDriver, the other is DCDriver. The VideoDriver lens mounts the drive motor board of the aperture motor in the lens, uses the camera to output the image signal to the driver circuit board, and then changes the diaphragm motor by the driver circuit board, so that the aperture changes, and the cost and construction are relatively expensive. The DCDriver lens cooperates with some camera manufacturers to transfer the driver circuit board originally installed in the lens to the camera. Therefore, the lens does not need to drive the circuit board, and the DC current is output directly from the camera to change the aperture motor to make the aperture change due to the joint. Fixed, lower cost, easier construction.
Today, with the rapid development of the security market, integrated cameras have steadily advanced with their unique advantages. Compared with ordinary cameras, the integrated camera is compact in size and simple in design. It is suitable for high-end applications and can complement beautifully decorated interiors. The intrinsic performance is more obvious. The first is the autofocus function, which makes the image very clear and enables fast and accurate real-time monitoring.
Detailed Video Camera from Wells IP/SDI Camera
Xuan exhibition Wells has independently developed a variety of SDI HD integrated cameras and IP high-definition integrated cameras , such as: VRS-HD5202A and VRS-HD5200A-W are two of the more representative. Integrated cameras have a wide range of applications in security monitoring and control projects. Currently, they can be seen in hotels, guesthouses, communities, homes, parking lots, and other fields. Sometimes the environment needs to manage the entire system in a networked manner. The use of IP high-definition integrated cameras, and sometimes relatively high-definition images of the environment, will use high-definition integrated SDI cameras.
HD Sony FCB-EV&CV7520
Next Article
Research on V Cone Flowmeter
Prev Article
How to safely drive in summer