http://stackoverflow.com/questions/21220738/arduino-ov7670-without-fifo-reading-snapshot

    D0..D7 - for data (pixel) connected to arduino digital pins 0 to 7 as INPUT on arduino board
    XCLK - for camera clock connected to arduino digital pin 8 as OUTPUT from arduino board
    PCLK - for pixel clock connected to arduino digital pin 9 as INPUT on arduino board
    HREF - to define when a line starts / ends connected to arduino digital pin 10 as INPUT on arduino board
    VSYCH - to define when a frame starts / ends connected to arduino digital pin 11 as INPUT on arduino board
    GRD - groud connected to arduino GRD
    3V3 - 3,3 INPUT connected to arduino 3,3v
    RESET - connected to arduino RESET
    PWDN - connected to arduino GRD

ส่งคอมมานด์ อ่านค่า จาก fifo ก็ตามในลิงค์เลยจ้า
เล่นนานแล้ว พังไปแล้วด้วย ๔๔๔๔๔