Eagle

See version in Icelandic eagle kennsluefni

Download and install Eagle

• Download Eagle

Designing circuits with Eagle

Open Eagle

• Select New Project
• Select New Schematic

Open library

• Open library, click Use
• Download from the internet a library or select on in the computer the library that we will be using (e.g. NG.lbr[1] or the one from Sparkfun.lbr ([2] version 2011 ( right click on this link, save link as)

• SelectAdd, then you can open the library
  • (if you don't find your thing you could also click on "Use")
• Open NG.lib library for Fab Lab projects.

Tour for the Eagle on CadSoft site

• Select the things you want to use and click Add to get the components.
• You can select different view by clicking on Board
• You can select object by rightclicking them and selecting packning
• Connect objecs by clicking Wire and make wire between objects.
• It can be good to make connections and get a sign for Ground and put where it should be GND.

• View Grid select the size of the grid, it should be around (0,025 inches)
• Move to move object or line.
• Delete to remove object or line and so on.
• Junction Connection point .
  • You can right click objects and select value to set values e.g. for capacitors or resistors
  • Right click on object and select properties to rename.
  • You can check out if you have connected the object by moving them.

• ERC Error correction, search for errors.

Arrange objects

Add

• Frame to make frame around the design.
• Arrange objects
• click Auto
  • Select Bottom N/A

If it is not as good as you wanted you can select lines, by right clicking them and select rip off

Info about Circuits

• TX transmit
• DTR data terminal ready
• Rx Recieve
• Miso -master in slave out
• Mosi master out slave in
• sck system clock

• MOSI (3) GND (2) MISO (1) |
• -RESET (4) SCK (5)

Project 1

• First project could be to make schematic of this board and to add something to it, add (at least) a button and LED (with current-limiting resistor) to the serial echo hello-world board, check the design rules, and make it
  • See the layout for hello.ftdi.44

• Download libraries
  • NG.lbr[3]
  • the one from Sparkfun.lbr ([4] version 2011 ( right click on this link, save link as)
  • atmel-new.lbr, Attiny 44 library

Materials used

• IC1 = ATtiny44_SOIC('IC1\nt44') -> see in atmel-new.lbr
• R1 = R_1206('R1\n10k') -> See in ng.lbr
• C1 = C_1206('C1\n1uF') -> sparkfun.lbr
• XTAL = Crystal 20 MHz -> search for crystal in ng.lbr
• FTDI connector (6 pin) ->search for ftdi in ng.lbr
• Header (2*3 pin) -> search for isp in sparkfun.lbr

Links

• Eagle Tour
• HOW TO GENERATE POV-RAY FILES WITH EAGLE
• Eagle 3D