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Whenever you have circuits that consist of more than one electronic component, those electronic components must be linked together. The two ways to connect components in a circuit are in series and in parallel.
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In a series connection, components are connected end to end, so that current flows first through one, then through the other. In the series connection, the current goes through one lamp and then the other. The lamps are strung together end to end.
The Elenco 300-in-1 Electronic Project Lab will teach you about electronics from A to Z. With this all-in-one lab, you'll learn about electronic parts, how to read schematics and wiring diagrams. It builds up to 500 different projects. This kit uses two quick and easy hook-up methods. View & download of more than 2637 Radio Shack PDF user manuals, service manuals, operating guides. Cordless Telephone, Telephone user manuals, operating guides & specifications.
One drawback of series connections is that if one component fails in a way that results in an open circuit, the entire circuit is broken and none of the components will work. Srs one click android root 4.7 download. So, if either one of the lamps in the series circuit burns out, neither lamp will work. That’s because current must flow through both lamps for the circuit to be complete.
In the parallel connection, each lamp has its own direct connection to the battery. This arrangement avoids the if-one-fails-they-all-fail nature of series connections. In a parallel connection, the components do not depend on each other for their connection to the battery. Thus, if one lamp burns out, the other will continue to burn.
An interesting thing happens with voltage when components are connected in series: the voltages present at each component are divided up. For example, in a circuit with a 3 V battery and two identical lamps connected in series, each lamp will see only one and a half volts. If you connected three identical lamps in series, each lamp would see only one volt.
You can measure the voltage seen by any component in a circuit by setting your multimeter to an appropriate voltage range and then touching the leads to both sides of the component. The voltage you measure there is called the component’s voltage drop.
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How to build a series lamp circuit
In Project 1-3, you’ll build a circuit that connects two lamps in series, a simple circuit. Then, you’ll use your multimeter to measure the voltages at various points in the circuit.
How to build a parallel lamp circuit
In this project, you’ll build a circuit that connects two lamps in parallel and you’ll use your multimeter measure voltages within various points in the circuit.
By Ryan WintersProduct Marketing Manager
Create Connections with a Twist
No need for a back beat. I'm not going to break out in rhyme. I'm talking about the application of wire wrapping used in electronics design. I'm proof that you don't have to be an Electrical Engineer to love learning new electronics skills. It all started when I was designing a prototype that needed to connect the pins from a LED matrix to an array of LED driver ICs. Over 144 point-to-point connections would require a ton of soldering. But then a casual comment from a colleague changed my life, 'why don't you use wire wrap?'Wire wrap? What the heck is that? I have seen wire wrapping tools in the catalog, but I had no idea that someone could effectively wrap 30 AWG around the tool. A quick Google search defined the technology and pointed me to a quick tutorial where I learned the basics. Piece of cake really; something anyone could learn in two minutes and master in a few more with some practice.
Wire wrapping is great for prototypes because it's easy to make point-to-point connections and to repair them.
Since no soldering is involved, the possibility for cold or dry joints is eliminated and so are the fumes.
Wire wrapped connections are actually more reliable than soldered connections because of the amount of contact the
300 In One Electronic Project Lab Manual Pdf
wire makes withthe post. On a square post, a single turn of wire actually makes four contacts with the post at the corners. The wrapping tool literally applies tons of force per square inch on each joint, nearly cold welding the wire to the post. A properly made wire wrap connection will have 0.5 to 1.5 turns of insulated wire at the bottom serving as a strain relief (also called modified wrap) and have six to seven turns of stripped silver-plated wire wrapped around the post, essentially making 24 to 28 air-tight connections.30 In One Electronic Project Lab Manual Download
For starters, you need wire wrap (most commonly 30 AWG silver-plated copper wire with Kynar™ insulation in a variety of colors), a wire wrapping/stripping tool, and preferably some machine tooled wire wrap sockets. While you can wire wrap just about any pin, machine tooled wire wrap sockets provide a 0.025' square post specifically designed for a wire wrap tool, and the connections will be much more secure. You may also find it more than helpful to utilize wire wrap socket ID markers . Because all of the wrapping is done from the underside ofthe socket, the ID markers label the pins so you make the right connection.
To start, strip about an inch of insulation off the Kynar wire.
There are two holes in the tip of the wrapping tool. The hole at the center is for the post to be wrapped, while the hole at the edge is designed for the stripped wire to be fed into it plus a little bit of insulation.
Lower the wrapping tool onto the post you wish to connect, and keep the insulated part of the wire in place with a fingertip. While keeping the other end of the tool in the palm of your hand, twist the wrap tool clockwise about six times to complete the wrap (the butt end of the tool is actually loose to facilitate twisting the tool without pinching your skin). Lift the tool off the post and Voila!
The square posts of the machine tooled sockets can actually accommodate three wire connections on the same post. There are additional benefits to wire wrapping with the first being no soldering!I don't have much lab space, and soldering can be a stinky process. Wire wrap is portable which means you can wrap wire while sitting on the couch watching TV or at your cubicle at work. It's also lead-free for all us greenies, and if you make a mistake, simply unwrap the wire and redo the connection. Next time you're transferring a breadboard project to a protoboard, give wire wrap a whirl.
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