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thank you Ok I put my project in public mode here is the link : [Click Here][1] [1]: https://easyeda.com/fifisoft57/Domotique_JeeDom-6f4febe0c2724fdf81a93fcf9fed6e91

Can you try to add some no connect flag to the float PIN like this ![enter image description here][1] [1]: /editor/20170607/593770c3d7b97.png

Hello Always the same, the + 5v and GND part does not happen but the rest no problem ![enter image description here][1] [1]: /editor/20170607/5937971b249e1.JPG

Hi, I got the problem your arduino 2560 package is not right, after convert to PCB, there is a package error message . So you need to check the package pad number. 1 - > 1 Please check the help file https://easyeda.com/Doc/Tutorial/PCB.htm#Invalid-Packages ![enter image description here][1] [1]: /editor/20170607/59379b5b9e9de.png

Hello Even after the changes, I still have the same problem with the + 5V, VCC and gnd which are not done and yet it tells me it is complete ![enter image description here][1] [1]: /editor/20170607/59379c56729c5.JPG

Your package is not right, you need to fix the package. at the same time, don't allow set the pad net at package without net name has **space** such as `5V 0` you need to change to `5V0` , there some some others same problem too ![enter image description here][1] [1]: /editor/20170607/59379f8dc5e98.png

@Fifisoft57, Please refer to: https://easyeda.com/forum/topic/Net_and_Part_naming_conventions-uOHBvN5nh

Hello Thank you again for your help After seeing the connectors of my module (capture attached) I still have the same problem on the VCC, + 5V, GND which does not route ![enter image description here][1] ![enter image description here][2]![enter image description here][3] [1]: /editor/20170608/5938530404bcc.JPG [2]: /editor/20170608/5938531d143fb.JPG [3]: /editor/20170608/5938532979adf.JPG

@Fifisoft57, As the error message: ![enter image description here][1] shows and Dillon has already pointed out: `your arduino 2560 package is not right, after convert to PCB, there is a package error message . So you need to check the package pad number.` `Your package is not right,` `you need to fix the package.` you have pins on the Arduino Mega schematic symbol that are different from the names given to the same pins on the PCB footprint. * In your table above, the names in the left hand `Name` column must be **exactly** the same as the names in the centre `PCB pin` column. (The names in the right hand `Spice pin` column do not matter in this instance because there is no spice model of the Arduino part.) [1]: /editor/20170608/59386a8bac6d9.png

@fifisoft57 Your PCB package has problem too, please read me pre. reply. If I fixed the package problem, I think it is better for the ruoter. https://easyeda.com/dillon/New_Project-ac5b2f27d7b4499082d7433cf14ac3a2

Hello and thank you all My problem was solved, I erased my module mega and made an update of the pcb via schema Some link was erased, but I have it is done again by hand And all link auto route its ok