If one visits the lovely city of Philadelphia during the December holiday season, they will not fail to notice a number of spectacular light shows that are held at various points around the metro. These complex exhibitions are only made possible by electronic machines called mergers, which give trained professionals the ability to control the large numbers of lights involved. If one takes apart one of these machines, they will find several electronic components arranged in a DMX PCB.
Most people will be familiar with Printed Circuit Boards, sometimes referred to as Printed Wiring Boards. These form the basic building blocks of practically all modern electronic devices. Without them, bulk production of these components would be extremely hard, and very expensive.
The sheets are usually made of copper foil covered in an insulated material, which is bonded to the metal with a heat resistant resin. The circuitry is then etched, or added on. Additional components may be added if needed.
Etched Wiring Boards need additional bits and pieces in order for them to be complete, and function as desired. One of the most important is a micro processor. This tiny component is the heart of a DMX controller, and handles all the signal processing and execution. The chip is made up of an Arithmetic Logic Unit, which does the actual calculations, and a Control Logic section, which handles the output. Modern processors generally have a storage section in order to make their job faster.
No Printed Circuit Board would be complete without the sparkling light emitting diodes. These tend to be used as indicators, for instance, for showing when the power goes on or off. Larger ones are used as a form of power sipping illumination. These tiny lights are made up of a clear outer shell, which protects the filament and other components, and also diffuses the light. There is also a minuscule reflector, positive and negative inputs among other bits and pieces.
Other important components of these Etched Wiring Boards are transistors. These generally have three pins, though different configurations are available. Transistors act as switches; when a current is applied on the center, current then passes from one of the side pins to the other. It is also used as an amplifier of electrical signals. Transistors are some of the most ubiquitous components of modern electrical devices, and are frequently iincorporated in integrated circuits.
DMX controllers cannot function without capacitors. These valuable components come in various sizes, but they all have a single function; to store electricity. In this sense, they function in a similar way to batteries. Capacitors are made out metal plates separated by a non-conducting material, such as cellulose, or even air. The choice of which material to be used depends on what the capacitor will be used for. For instance, ceramics are frequently used in areas where extreme frequencies are common, such as X-ray machines, while glass is used where voltages are likely to be extremely high.
Like a great soccer team, all these parts need to be integrated into a DMX PCB board in order to work. To do this, soldering irons are used. These range from the cheap but functional ones found in virtually every electronics store, to the specialized kind used in automated manufacturing processes. They all come with an insulated body, and a sharp metal tip, and are heated with electricity or gas.
Most people will be familiar with Printed Circuit Boards, sometimes referred to as Printed Wiring Boards. These form the basic building blocks of practically all modern electronic devices. Without them, bulk production of these components would be extremely hard, and very expensive.
The sheets are usually made of copper foil covered in an insulated material, which is bonded to the metal with a heat resistant resin. The circuitry is then etched, or added on. Additional components may be added if needed.
Etched Wiring Boards need additional bits and pieces in order for them to be complete, and function as desired. One of the most important is a micro processor. This tiny component is the heart of a DMX controller, and handles all the signal processing and execution. The chip is made up of an Arithmetic Logic Unit, which does the actual calculations, and a Control Logic section, which handles the output. Modern processors generally have a storage section in order to make their job faster.
No Printed Circuit Board would be complete without the sparkling light emitting diodes. These tend to be used as indicators, for instance, for showing when the power goes on or off. Larger ones are used as a form of power sipping illumination. These tiny lights are made up of a clear outer shell, which protects the filament and other components, and also diffuses the light. There is also a minuscule reflector, positive and negative inputs among other bits and pieces.
Other important components of these Etched Wiring Boards are transistors. These generally have three pins, though different configurations are available. Transistors act as switches; when a current is applied on the center, current then passes from one of the side pins to the other. It is also used as an amplifier of electrical signals. Transistors are some of the most ubiquitous components of modern electrical devices, and are frequently iincorporated in integrated circuits.
DMX controllers cannot function without capacitors. These valuable components come in various sizes, but they all have a single function; to store electricity. In this sense, they function in a similar way to batteries. Capacitors are made out metal plates separated by a non-conducting material, such as cellulose, or even air. The choice of which material to be used depends on what the capacitor will be used for. For instance, ceramics are frequently used in areas where extreme frequencies are common, such as X-ray machines, while glass is used where voltages are likely to be extremely high.
Like a great soccer team, all these parts need to be integrated into a DMX PCB board in order to work. To do this, soldering irons are used. These range from the cheap but functional ones found in virtually every electronics store, to the specialized kind used in automated manufacturing processes. They all come with an insulated body, and a sharp metal tip, and are heated with electricity or gas.
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