RFID-RC522 problem connecting via RJ45 cable



  • hello everyone, I have created a two modules with 3d printer, I followed another project created by Barte, to open the garage, but I've used it, to turn to disable alarm inside the house, of course I made some changes the original design. Now I finished and running the project, I mounted the RFID-rc522 form and i connected to another module where inside there is Arduino and radio. I connected via RJ45 cable and the distance of 3 meters. The radio module is no longer recognized. my question is spontaneous at this point. How can I fix the problem?

    0_1464953572731_rfidCompreto.jpg 0_1464953579700_rfidmoduloporta-180x180.jpg 0_1464953586849_rfidcentralina-180x180.jpg

    Attention to the fourth pin from the bottom not connected to rc522 form because that cable I used for the LED and therefore not connected to rc522
    0_1464953864460_mysensor nano+radio+rfid_pcb.jpg

    0_1464954180603_allarm.jpg


 

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