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dr.wily

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dr.wily
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  • Yes ! You'r right. Indeed pin 20 was not connected, I thought according the diagram that pins 20 et 21 had the same purpose and I connected only pin 21 to provide power to paddle. Now it works flawlessly. Very thank for your help and your work and …
    in about Tennis For Two on scope Comment by dr.wily March 2013
  • Pin 20 shows 0vpin 21 shows 4.3v
    in about Tennis For Two on scope Comment by dr.wily March 2013
  • I feed with 5v provided by a PC PSU, but I can test with batery. Ground connection is OK, my multimeter show 0 ohm everywhere on ground circuit When no buttons are pressed the ball don't move, floats and falls automatically after 30s. I wonder if…
    in about Tennis For Two on scope Comment by dr.wily March 2013
  • Yes, I have mounted the 10k resistor and the push button is open type. On the right player side, PC5 pin shows : - 4.3v when button is open - 0v when button is pushed
    in about Tennis For Two on scope Comment by dr.wily March 2013
  • Thank for your help The range of the paddle don't change. The ball always goes to the opposite side. I notice when paddle is unpluged, scope displays the ball that changes side continuously, like if the players always pushed the button. But same thi…
    in about Tennis For Two on scope Comment by dr.wily March 2013