Tag: IC

More Electronics Design And Circuit Diagrams Making Electronics Magazine More Popular

In daily life we use different kinds of gadgets that make our life easier and better secured. Most of these products are based upon electronics technology. If we go for buying these products, we may expect heavy investment. However, there are certain electronics magazines or online electronics portals that provide all the information so that you could design and develop these gadgets by self. Display of electronics design and circuit diagrams make the understanding of any device easy and fun filled activity.

Recently I went through an electronics magazine having print and online versions. The write ups about Door lock controller and Driveway Alarm are very much convincing. The presence of such write ups show that how much useful these electronics magazine are for common man. Here is the importance information about both the devices that can be used in house or at office place to feel better secured.

Door Lock Controller

Door lock controller may be utilized to run an electromagnetic door lock or an electric strike. A little electromagnetic strike opens the door. The door lock controller presented here is an easy electronic switching circuit. Its electronics design uses a low-priced unipolar Hall Effect sensor IC MH183. This CMOS switch IC incorporates advanced chop stabilization technology to give exact and stable magnetic switch points. The design, performance and specifications are optimized for solid-state switching function. The internal output transistor is switched on in presence of adequately strong south-pole magnetic field. Likewise, the output is switched off through the presence of a weaker south field. After the sensor switch detects a powerful south-pole magnetic area in its vicinity, the remaining circuit is switched on for about TEN seconds. This delay maybe adjusted. After the correct sequence of triggers is applied, the electromagnetic door lock gets operational.

Driveway Alarm

You may install Driveway Alarm inside a driveway to detect a person, vehicle or big animal. It sounds an alarm when any interruption takes place. Circuit diagram contains 2 modules: receiver and transmitter. The laser pointer is powered via the 9V DC supply available from the receiver module. Installation of receiver and transmitter modules is detailed in separate layout. Working of receiver module is very easy. In the beginning, when power is applied to the system, it is in standby mode. Once the laser beam is interrupted by an object, person or animal, the photo-sensor energizes the rest of the circuit to buzzer the sounds.

A specific section named circuit lab is especially dedicated to electronics design and circuit diagrams of commonly used devices and this feature further enhances the importance of online electronics magazines.

Electronic Embedded System Design – Important Feature Of Online Electronics Magazines

The world of electronics is witnessing a revolution in the way products are conceived, designed and implemented. The ever growing importance of the web, the advent of microprocessors of great computational power, the explosion of wireless communication, the development of new generations of integrated sensors and actuators are changing the world in which we live to perform. The online electronic magazines provide every information about the ongoing trends that take place in the designs of electronics including those in Electronic embedded system design. One well designed and planned magazine that I like much is Electronics For You; it provides every possible knowledge about ongoing trends in electronic designs. It is a boon for all those associated with electronics trade.

Electronic embedded system design is a routine segment of this online electronics magazine. The overall goal of electronic embedded system design is to balance production costs with development time and cost in view of performance and functionality considerations. Manufacturing cost depends mainly on the hardware components of the product. Minimizing production cost is the result of a balance between competing criteria. If one considers an integrated circuit implementation, the size of the chip is an important factor in determining production cost. Minimizing the size of the chip implies tailoring the hardware architecture to the functionality of the product.

As the complexity of the products under design increases, the development efforts increase dramatically. At the same time, the market dynamics for electronics systems push for shorter and shorter development times. It will be soon imperative to keep to a strict design time budget, no matter how complex the design problem, with as little as six months from initial specification to a final and correct implementation. To keep these efforts in check and at the same time meet the design time requirements a design methodology that favors reuse and early error detection is essential. We expect the majority of high volume platforms developed to be programmable either at the logic/interconnect level (e.g. via FPGA) or using software.

Both reuse and early error detection imply that the design activity must be defined well, so that all phases are clearly identified and appropriate checks are enforced. To be effective, Electronic embedded system design methodology that addresses complex systems must start at high levels of abstraction. The professionals of most companies, engaged in Electronic embedded system designs and IC design, are familiar with working at levels of abstraction that are too close to implementation.

It is must to know the latest updates in Electronic embedded system design practices to keep the production cost and the product cost bare minimum; and efy like electronics web-portals may be the good source to get all the information within seconds.

Led Electronic Display Repair Guide

Judge issues must be handled after hsien Chu, clear, severe, small problems. Short circuit LED fluorescent lighting should be the highest priority.
1, resistance detection method, adjust the multimeter to resistance, detect a normal circuit board of a point of resistance, then testing another piece of the same circuit board with a points test and normal resistance values are different, different if you determine the scope of the problem.

2 voltage detector, multimeter voltage regulation, detecting suspect circuit voltage of a point, are similar to the normal, or determine the scope of the problem.

3, short circuit LED Flood Light Supplier detection, adjust the multimeter to the short block (some diodes voltage drop or resistance stalls, usually with alarm function), checks for short circuits happen, after finding the short circuit should give priority to, so that it does not burn out other devices. The method you must do so in the case of power off circuit, preventing damage to the table.

Detection method 4, pressure drop, adjust the multimeter to diode voltage drop test document, because all of the IC is made of numerous basic components, but small, so when it comes on a PIN when there is current through, there is a flexible led strip lighting voltage drop on the PIN. General of the same model similar to the pressure drop on the same IC pins, based on pressure drop in PIN value comparison, operation must be power off circuit. The method has some limitations, such as the detected devices are high impedance, not detected. Four processing steps, panels-frequently asked questions Board failure:

A. Panel is not lit

1, check the power supply and the power supply is connected.

2, check whether the test card to identify interfaces, test card red light flashing is not recognized, check whether the lamp power with test cards, or the lamp panel connector interface signal and the short-circuit caused no recognition. (Smart test card)

3, detect 74HC245 deficiency-free welding short circuit, on 245 (EN) signal input or output pin is a virtual welding short circuit to the other lines. Note: the main power and enable (EN) signal.

B. helical scan, regularity of interlacing is not lit display overlapping

A, b, c, d, 1, check whether the signal input to the 245 disconnection or Xu Han and short circuit.

2, testing corresponds to 245 outputs a, b, c, d or Xu Han, short circuit between 138 and circuit breakers.

Detection of 3, a, b, c, d between the signal short circuit or a signal and the short-circuit. Note: the main test ABCD signaling.

C. iseedeadpeople with line or lines are not lit

138 per cent between 1, detection or virtual welding line circuit breakers, short circuit.

D. scan, two or more rows (typically are multiples of 2, law) at the light

1, a, b, c, d, the signal is detected between the short circuit.

2, detect whether 4,953 output and output short circuit.

E. iseedeadpeople with single-point or multi-point (irregular) is not lit

1, find the module corresponds to the measurement and control foot line short circuit.

2, replace the module, or a single lamp.

F. iseedeadpeople has one or more columns is not lit

1, found on the module controlling the PIN, measure and driver IC (74HC595/TB62726) output port connection.

G. single point or highlight a single column, or entire row highlighted, and is not subject to control

1, check whether the column is short circuit and power supply.

2, test the line with power-cathode short-circuit.

3, replace the drive IC.

H. display confusion, but the output signal of a Board under the normal

245 corresponds STB latched outputs 1, detection and driver IC latch-side connections or signal short circuit to the other lines.

I. display confusion does not output correctly

1, detection of clock signal CLK latch STB is shorted.

2, measuring 245 clock CLK input/output.

3, tests whether the clock signal short circuit to the other lines.

Note: the main clock and latch signal is detected.

J. display the missing colors

245 1, detection of the color data of the port has input and output.

2, test whether the data of the color signal short circuit to the other lines.

3, test the color of cascade data between the driving IC is short circuit, virtual circuit breakers or welding. Note: the available voltage detection method is easier to find the problem, test voltage is different from normal data, determine the fault zone.

K. output problem

1, test the output interface to the signal output of the IC line connection or short circuit.

2, the output latch of the clock signal is detected correctly.

3, testing the last drive IC between concatenated output data and the output interface data port connection or short circuit.

4, the output signal is a short circuit or a short circuit to ground.

5, check the output of the cable is good.