No Air wire in the board using SMD resistor and LED

On 5/01/2014 5:51 p.m., Robert Law wrote:

Dear Sir

 

I am new to Eagle,

No Air wire in the board using SMD resistor and RGB LED

 

How to solve?

 

Thanks

 

--

To view any images and attachments in this post, visit:

http://www.element14.com/community/message/99521

 

Attachments:

SCH.png

brd.png

 

Greetings.

You attached .PNG so what follows is a guess. Had you attached the

schematic and board the answers would be definite.

A schematic must have a grid of 0.1 inch.

You may have used WIRE instead of NET to perform the interconnections.

The PNG suggests the nets have not connected to the pins of the parts,

move the parts and if the nets stay behind, this is your problem.

Hope this helps

Warren

Dear warrent,

Thanks your reply.

I using the NET to connect.

And using the same "NAME" on both ends.

On 5/01/2014 8:48 p.m., Robert Law wrote:

Dear warrent,

 

Thanks your reply.

 

I using the NET to connect.

 

And using the same "NAME" on both ends.

 

--

To view any images and attachments in this post, visit:

http://www.element14.com/community/message/99504

 

Attachments:

LED.zip

 

The problem is the parts are not on the grid and therefore the pins are

not either. Because of this the nets will not connect to the pins of the

parts. If you display the grid you can see this easily.

To get the parts and their pins back onto the grid, move the part, but

before you select the part hold down the CTL key. This will cause the

part to jump to the grid as you click on it. Then re-make the nets.

You can test that all is well, when you have finished, by moving a part

and its nets will stay attached and stretch so that they can remain

attached.

HTH

Warren

On 5/01/2014 8:48 p.m., Robert Law wrote:

Dear warrent,

 

Thanks your reply.

 

I using the NET to connect.

 

And using the same "NAME" on both ends.

 

--

To view any images and attachments in this post, visit:

http://www.element14.com/community/message/99504

 

Attachments:

LED.zip

 

The problem is the parts are not on the grid and therefore the pins are

not either. Because of this the nets will not connect to the pins of the

parts. If you display the grid you can see this easily.

To get the parts and their pins back onto the grid, move the part, but

before you select the part hold down the CTL key. This will cause the

part to jump to the grid as you click on it. Then re-make the nets.

You can test that all is well, when you have finished, by moving a part

and its nets will stay attached and stretch so that they can remain

attached.

HTH

Warren

Hi Warren,

Now all on the net but still no airwire on board between SMD resistor and LED.

Thanks

On 6/01/2014 2:24 a.m., Robert Law wrote:

Hi Warren,

 

Now all on the net but still no airwire on board between SMD resistor

and LED.

 

Thanks

 

--

To view any images and attachments in this post, visit:

http://www.element14.com/community/message/99565

 

Attachments:

LED.zip

 

The nets still were not attached to the parts.

I have returned your schematic/board (Attached) where, in the schematic

I have

(1) Moved your LEDs resistors and IC so you can see the unattached nets

(2) Copied your resistors and leds and added nets.

Move my resistors and LEDs and you will see the nets stay attached.

Your problem is common, You cannot simply move a net up to a part and it

will attach. It may look good but remember Eagle is not simply  a

drawing program.  You net to move a net up to a pin.

There are two ways to verify the connection.

Move the part:

(1) Left click on the MOVE icon

(2) Click on the part origin and move it around so you can verify the

nets stay attached.

(3) While still moving the part you can hit ESC and the part will go

back to its original position.

The other way is to

(1) Left click on the SHOW icon

(2) Left click on your net and it will become bright green. If it is

attached to a pin then that pin will become bright red

All the best

Warren