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I am using Eagle to design single side board and I want to use smd jumpers to connect between some points.
So basicly I don't want to add those smd jumpers as a component to the circuit in the schematic, I just want to be able to add them whenever I need without jumping every time to the schematic window and add them.
Just add them from the pcb window directly.
I have tried to search this but couldn't find something useful.
To figure it out you need to understand how EAGLE works. Each device you find in library consists of three components - package, or board footprint with pads (through hole or SMD), symbol with pins, and correspondence between package and pins.
You can add package to board without adding symbol to schematics, but you will not be able to connect to its pads properly, and DRC will give you "overlapping" errors.
The right way is to add jumper to schematics, connect its pads respectively, and wire pads at the board level with tracks. All other ways is hacking, which may lead to
EAGLE is a powerful tool, but please refrain misusing it. You will spend much more time figuring out why EAGLE gives you errors, or why your board does not work properly. Just follow rules and design board the way EAGLE supports.
Thus the answer is
You must add jumper to schematic, and wire it as needed at both schematic and board levels.
Another idea is to represent the jumpers as short wires of the top routing layer, using manual routing.
This way, jumpers won't be modeled in the schematic editor. Also, you are free to choose the desired length.
You can also use them to connect isolated parts of a polygon together; see the second-leftmost and rightmost jumper in the picture above.
Note that Eagle will see the solder points as vias, not pads, so the via size must be changed to ease soldering.
