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There are a couple instructables here on some of the finer points of Eagle (making your own library parts: http://www.instructables.com/id/ERHQQ180Y3E...
Start up the Eagle control panel, and right-click on "projects" to create a new project.You'll get to name it whatever you want.
Once you have cretaed the new project, it will be "opened" automatically (which doesn't do much other than tell EAGLE that "this is the current projec...
Components are added to a schematic from the ADD dialog, which you get to by clicking the ADD button over on the GUI menu.One of the major challenges ...
Let's search for our 555 timer. Lots of companies have manufactured the 555, and given it slightly different suffixes and prefixes. LM555N, SE555, T...
Resistors, simple components that they are, cause a lot of confusion for Eagle beginners, perhaps because the eagle library contains 100+ different pa...
Capacitors are worse than resistors, largely because their bodies come in a wider variety of shapes (that are less standardized), and of course there ...
When you have parts that aren't going to mount on your actual PCB anyway, such as control knobs and battery packs and switches and lightbulbs and such...
We luck out because the transistors called for actually exist in the EAGLE library, and there isn't much choice of package. There are some choices fo...
There are some symbols for various supply off in the "supply1" and "supply2" libraries. They're handy, make your schematic look nicer, and have magic...
Since we have all the components added, we can use the zoom-to-fit button to fit things better in our window...
Now is a good time to save our work. This is where you get to attach a name to your schematic,as well. You might need to use "save as" for your fir...
It can be helpful to turn on the "pins" layers so you can see exactly where you are supposed to make connections on the various componenets.
You might think that you'd use the "wire" command to make connections in your circuit. However, a wire in EAGLE is just a line; to properly make actu...
We can make things a bit neater by moving some of the components, junctions, and wires around just a BIT using the Move button. When you select an ob...
When we plopped down the components during the "add" phase, we didn't assign specific values to any of them. Some of the components (ie 555, transist...
The button shown does an electrical rule check. It will check whether the pins designated outputs are connected to inputs, whether there are obvious ...
Thats about it, as far as this schematic goes. Turn off the PINS layer to make it less busy; Looks OK, eh? There are a couple things that have been ...
Some of the other buttons that are useful to beginners are desribed in the pictures.Many EAGLE commands can be entered three ways:1) via the buttons o...
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Posted:Aug 10, 2006
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