(...) Yes, that works as usual. I even see the little wedge icon in the LCD, which means the RCX is receiving messages, but I guess it's not responding. --Jose (25 years ago, 2-Apr-00, to lugnet.robotics)
I think it's time to replace the 9V battery in the tower. I had exactly the same symptons recently, and replacing the battery fixed it. (...) (25 years ago, 3-Apr-00, to lugnet.robotics)
