Jump to content
Electronics-Lab.com Community

Delorean

Members
  • Posts

    1
  • Joined

  • Last visited

Everything posted by Delorean

  1. Hi, all! My Arduino ide software serial monitor is showing like firmware version : 0x0 = unknown WARNING :Communication failure, is the mfrc522 properly connected ? scan picc to see uid, sak, type, and data blocks.... can you help me .
×
  • Create New...