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2 May 2013

figure-1-components-with-bottom-only-terminal-leads

Tom Hausherr’s blog is dealing with component package technology and libraries standards and providing lots of great and clear information. If you are designing your own libraries for your next project you definatelly have to check it out!

Tom Hausherr’s Blog - [Link]

24 Apr 2013

PCBWeb00

PCBWeb01

A new PCB design web application was released this last week called PCBWeb. The website states that PCBWeb is a free browser-based CAD application for designing and manufacturing electronics hardware.  The tool is currently released in BETA and allows you to create a schematic, full circuit board layout, and then export to gerber format for manufacturing. The application is supported on Windows and Mac using Silverlight.

Features include:

Schematic Capture

  • Multi-sheet schematics
  • Custom Ports
  • Digi-Key Part Library (+100K components with symbol and footprints)
  • Cut/Copy/Past and full undo/redo

PCB Layout

  • Multi-layer board
  • Support for all units (mm/inch)
  • copper pour
  • DRC (design rule checking)
  • Gerber Export

Bill of Material Manager

  • View real-time pricing
  • Order Links

PCBWeb – Free Online PCB Design Software - [Link]

14 Feb 2013

Eagle-wiki-swapping_route-b-186x300

Eagle PCB Tip: Pin and Gateswapping

To optimize board routing, there are times that interchanging pins or gates is necessary. Recent article on Dangerous Prototypes gives us a full description and procedure to make this happen in EAGLE.

Eagle Tip: Gateswap and Pinswap tool - [Link]

9 Feb 2013

QVwlVn7

Here’s an SVG image to Eagle polygon importer called svg2poly. It seems like an excellent alternative to the BMP importing plugin included in Eagle default package. [via]

Surprisingly often, I find myself wanting to import vector images into eagle, and have them appear as polygons – usually for silkscreen. Whilst importing vectors as lines is practical – although ridiculously awkward – up until now I haven’t found a single practical way to import a vector drawing as polygons.

Importing SVG images as polygons Into Eagle - [Link]


22 Jan 2013

Here’s a tutorial on how to automatically generate Eagle parts from manufacturers’ BSDL files. These files are available from some manufacturers and include tables listing pin names and numbers. [via]

Simplify Eagle library part creation from BSDL files - [Link]

21 Jan 2013

Ever want to print your own PCBs for high power LEDs, other SMT power devices, but regular PCBs can’t sink enough heat? Fear no more! You can print them right onto silicone thermal tape!

PCBs on thermal tape – Put them on heat sinks! - [Link]

12 Jan 2013

739829_512242145482420_375528455_o

Many users often request if there are any tools that can simplify library part creation. Make-symbol-device-package-bsdl.ulp is one of those tools, it can parse a BSDL file and automatically create a part for you, device, symbol, package everything in just a few clicks. It’s one of the more sophisticated ULPs that ship with EAGLE and can be used to speed up part creation especially with high-pin count components such as FPGA and large microcontrollers. Most manufacturers such as TI and Microchip provide BSDL files for their parts. This is also one of two ULPs that come with a manual you can find it in the doc folder of your EAGLE installation. [via]

Eagle Quick Tip: Simplify library part creation - [Link]

1 Jan 2013
Before tRestrict

normal ground fill using polugon on Eagle PCB

Our dear friend Vassilis notes an easy way to trim ground fills on EAGLE PCBs. This tip is really helpful if you would like to prevent ground to be filled on small areas without having to add a new polygon.

Normally, if we like to add a ground plane on a PCB we use a polygon named GND and then empty space is filled with copper attached to GND net (keepout distance from traces, pads etc can be adjusted). In most cases you will notice that copper is filled in areas that we would not like to be filled. A solution to this is to add a polygon on tRestrict layer to prevent copper to be added on that area. This solution works nice for relative large areas of board.

Another way to prevent ground to fill a small area is to use a wire on tRestrict layer placed in such a way to “cut” the ground filling path. Using such wires on the above PCB give us better results as you can see on the screen below.

After tRestrict

ground fill trimmed using wires on tRestrict layer

20 Dec 2012

HomebrewPcb

Jianyi Liu wrote a tutorial on PCB fabrication at home. He states: [via]

A few years ago, I started experimenting with homemade prototype PCBs as an alternative to professionally fabricated PCBs from board manufacturing company. My company was flexible enough to give me some resources and time to explore the subject matter. What I discovered was that with a small initial investment, you can make reasonably high quality two sided boards. In addition, all the equipment needed was easily accessible. I’ve decided to put my findings into this guide. Hopefully some of my fellow hobbyists will find the information useful

DIY PCB tutorial - [Link]

29 Nov 2012

Here is a great list of some Eagle tips on dangerousprototypes.com. Check it out..

Cadsoft Eagle tips and tricks - [Link]



 
 
 

 

 

 

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