1. edward kerama

    Thread Starter New Member

    Dec 13, 2011
    1
    0
    how to make a circuit fro p89v51rd2 microcontroller with rfid and the gsm
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,148
    1,791
    1. Study the datasheet
    2. Find peripheral chips that you need
    3. Study their datasheets
    4. Draw a schematic
    5. Layout a PC board
    6. Get the PC board fabricated
    7. Get the PC board assembled
    8. Write some firmware
    9. Debug the firmware
    Wash, rinse, and repeat as necessary.
     
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