| | Re: Light sensors
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(...) more light and is working.... Erm... it isn't really working - it exhibits the same 'inverted' behaviour, looking for a white line on a black background... /Vlad (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.legos)
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| | Light sensors
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Hi! Maybe this is obvious for all experienced legOS users - I am displaying the values read from the light sensor on the LCD, and I get values of ~30 for light and ~520 for darkness... This seems very strange - is it the display wrong, or are these (...) (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.legos)
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| | Re: Firmware startup bug?
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I have replaced my batteries without erasing the firware several times. The trick is replacing the batteries one at a time with the brick turned off. You have then several (10 or so) seconds between each replace. If you leave the brick switched on (...) (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.legos)
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| | Firmware startup bug?
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Probably related to the garbage on the lcd that you get when turning off the RCX with a sensor active: if there is a light or rotation sensor or a pressed touch sensor connected to the RCX when you download firmware legOS will crash immediately (...) (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.legos)
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| | Re: rotation sensor mystery solved?
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(...) That's one of the reasons I got mine. I was trying to make a simple balancer when I built the pendulum I described (with 4.5 degree accuracy). There were a lot of problems with my mechanism, but the overriding problem was that the 0 point (...) (25 years ago, 26-Jan-00, to lugnet.robotics.rcx.legos)
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