Showing posts with label how. Show all posts
Showing posts with label how. Show all posts

Wednesday, June 12, 2013

The Details About How To Purchase The Car Accessories Online

Shopping online has been widely recognized, and become the main way of shopping by many people.
Usually difficult to buy or spend a lot of time to buy things through the Internet can easily set your favorite products, avoid shopping on the road of fatigue, avoid the bargain of the tedious, one-step cash on delivery!
you need to know what the name of the object you want before buying Car Accessories , detailed models, can accurately find the product you need.
I want to teach you is to buy online:
Step one: Open a support page online to buy auto parts.
Registered as a normal user, just fill in login user name and accurate information can be. Click here to say, registration information inside the cell phone number must be correctly completed, the next state to buy accessories can receive SMS delivery, as well as the most important thing is to account if you lose the phone number is your only way to recover password ! Because the site is a registered contractor, so do not worry about the risk of selling customer information.
Step two: Click on the upper right corner shop page "login" button.
In the login page, enter the information just registered "user name" "user password" "verification code" (we are regular users, so do not need to fill out the "User Code"), click on the "ordinary user login" to enter your e- business.
Step Three: Click the top right corner of e-commerce interface "to apply for senior customers."
(Tip: Due to advanced users is the artificial certification upgrade, so the efficiency is low, waiting for the certification period, anxious to buy accessories for friends should be very depressing. Confirmation click on "apply to become a senior account" after we return home, provided us with the Home Online customer contact staff! told him to subscribe to it! play their telephone service can also be urging the opening!) this time we will use a mobile phone, the application is successful, it will be a member of code! Advanced user login is required
Step four: repeat step type "User Code", "username", "User Password" "authentication code", do not forget the user code just made! Click the "Advanced Login" (We are an advanced user, of course, are an advanced user login!)
Self-help e-commerce system into parts inquiries! (If you do not understand the necessary accessories, you can call directly to a salespersons description of accessories to get the parts code, the phone display at the top, or online customer service on the home page to find a solution!).
I want to buy a Corolla front fog lights box. Then in the "cars, manufacturer name, vehicle name, year of manufacture, displacement" field in which the information filled in their own vehicles, because I do not know the parts code directly in the "Part Name" entered above "box before the fog lights" (Even the name is not recognized, then the customer can only ask!)
See the search results, RH and LH appeared in two, to see that, and a left and right, as that is an accessory unit, is certainly a little bug.
The selected accessories to buy, click to the selected parts.
Submit a shopping list on it!
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Sunday, May 26, 2013

How to fix a tube light simply


This post shows how to fix a tube light with its parts correctly.lots of people asked me about this that is why I thought to give you some thing like this.now I think you will be able to solve your problems.
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Wednesday, May 1, 2013

How to Builed Lamp Fuse Tester

Why a lamp tester or fuse tester? Testing cables, wires, lamps… belongs to a repair job and sometimes this becomes too cumbersome since one has only two hands and too often, one has to hold the part being tester and the two probes of an ordinary continuity tester all at the same time.

This fuse and lamp tester enables easy testing of lamps and fuses by using the conductivity of the human body. One of the test probes is connected to the part under test while the other probe is hel dby the normal hand.

Circuit Project: Lamp & Fuse Tester

When the lamp or fuse is working properly, your eyes will glow in the dark! Just kidding :) . When the lamp or fuse is working properly, a small amount of current flows through the hand which is enough to switch the transistors and light the LED.
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Sunday, April 7, 2013

How to check TV Flyback

There are actually several kinds of tools that can be used for check whether flybak damaged. But we have a simple way we have always done for ascertain whether flybak damaged or is still good, before replacing the horizontal transistor. All it takes is a light bulb with an added Exciter 100Watt cable connection along approximately 25cm.


The trick determine if flyback damaged or is still good is as follows :
How to check TV Flyback
  1. Break up the relationship between the collector of transistor horizontal flyback-out. By (a) Open collector aspirated by means of the printed board solder, or (b) Remove the jumper cables if any, or (b) Cutting prited path.
  2. Ac volt-meter pairs of horizontal transistor base with a ground out.
  3. Turn on the plane a little while - there must be an ac voltage of about 1v. This is done is for ensure that the horizontal oscillator and driver are working horizontally.
  4. Replace light bulb between the collector of transistor flyback horizontal (light diseri the collector).
  5. Turn on the plane while alternately measured heater voltage, screen (screen VR max).
  6. If no defective flyback voltage means. Usually marked with a light bulb that lights a little brighter.
  7. If the flyback is usually a good heater ac voltage is approximately 1 to 2v, screen voltage around 150v. Usually marked with a light bulb that lights dimmed.
  8. Measurements must be done quickly, because if the plane using circuit protectionism - protectionism will actively work then.
Defective flyback symptoms include:
  • Tr horizontal collapsed immediately replaced by new
  • B + voltage drops

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How to Make a Solar Inverter Circuit

http://m.eet.com/media/1156431/295452-solar_inverter_teardown_fig4.jpgpower is its simplicity. It is almost completely solid state, from the photovoltaic cell to the electricity delivered to the consumer. Whether the application is a solar calculator with a PV array of less than 1 W or a 100 MW grid-connected PV power generation plant, all that is required between the solar array and the load are electronic and electrical components. Compared to other sources of energy humankind has harnessed to make electricity, PV is the most scalable and modular. Larger PV systems require more electri- cal bussing, fusing and wiring, but the most complex component between the solar array and the load is the electronic component that converts and processes the electricity:

 the inverter. In the case of grid-tied PV, the inverter is the only piece of electronics needed between the array and the grid. Off-grid PV applications use an addi- tional dc to dc converter between the array and batteries and an inverter with a built-in charger. In this article we discuss how inverters work, includ- ing string, or single-phase, and central, 3-phase inverters; explore major inverter functions, key components, designs, controls, protections and com- munication; and theorize about future inverter technology

get here
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Thursday, April 4, 2013

How to Build a Simple Electronic Incubator Thermostat


An electronic incubator thermostat circuit shown in this article is not only simple to build but is also easy to set and acquire exact tripping points at various different set temperature levels. The setting may be completed through two discrete variable resistors. The sensing range is quite good from 0 to 110 degrees Celsius.

Switching a particular load at different threshold temperature levels doesn’t necessarily need complex configurations to be involved in an electronic circuit. Here we discuss a simple construction procedure of an electronic incubator thermostat.




This simple electronic incubator thermostat will very faithfully sense and activate the output relay at different set temperature levels from 0 to 110 degree Celsius.
The conventional electromechanical temperature sensors or thermostats are not very efficient due to the simple reason that they cannot be optimized with accurate trip points.
Normally these types of temperature sensor or thermostats fundamentally use the ubiquitous bimetal strip for the actual tripping operations. When the temperature to be sensed reaches the threshold point of this metal, it bends and buckles.
Since the electricity to the heating device passes through this metal, it’s buckling causes the contact to break and thus power to the heating element is interrupted - the heater is switched off and the temperature starts falling. As the temperature cools, the bimetal starts straightening to its original form. The moment it reaches its previous shape, the electricity supply to the heater is restored through its contacts and the cycle repeats.
However, the transition points between the switching are too long and not consistent and therefore not reliable for accurate operations.
The circuit presented here is absolutely free from these drawbacks and will produce comparatively high degree of accuracy as far the upper and the lower tripping operations are concerned.









Parts List

R1 = 2k7,
R2, R5, R6 = 1K
R3, R4 = 10K,
D1---D4 = 1N4007,
D5, D6 = 1N4148,
P1 = 10K,
VR1 = 200 Ohms, 1Watt,
C1 = 1000uF/25V,
T1 = BC547,
T2 = BC557,
IC = 741,
OPTO = LED/LDR Combo.
Relay = 12 V, 400 Ohm, SPDT.


Circuit Description

We know that every semiconductor electronic component changes its electrical conductivity in response to the varying ambient temperature. This property is exploited here to make the circuit work as a temperature sensor and controller.
Diode D5 and transistor T1 together form a differential temperature sensor and interact greatly with each other with changes in the respective surrounding temperature.
Also since D5 acts as the reference source by staying at the ambient temperature level should be kept as far as possible from T1 and in open air.
Pot VR1 may be used externally to optimize the reference level set naturally by D5.
Now assuming D5 is at a relatively fixed temperature level (ambient), if the temperature in question around T1 starts rising, after a particular threshold level as set by VR1, T1 will begin to saturate and gradually start conducting.
Once it reaches the forward voltage drop of the LED inside the opto-coupler, it will start glowing correspondingly brighter as the above temperature rises.
Interestingly as the LED light reaches a particular level, further set by P1, IC1 picks this up and instantly switches its output.
T2 along with relay also respond to the IC’s command and respectively actuate to trip off the load or the heat source in question.
How to go About with the Opto-Coupler?

  It’s very simple. Cut a piece of general purpose board about 1 by 1 inch.
Bend the LDR leads near its “head.” Also take a green RED LED, bend it just as the LDR (See figure and Click to Enlarge).
Insert them over the PCB so that the LED lens point is touching the LDR sensing surface and are face to face.
Solder their leads at the track side of the PCB; do not cut off the remaining excess lead portion.
Cover the top with an opaque lid and make sure its light proof. Preferably seal off the edges with some opaque sealing glue.
Let it dry. Your home made opto-coupler is ready and may be fixed over the main circuit board with its leads orientations done as per the electronic incubator thermostat circuit schematic.

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