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"Nitin Patil" <gn1721@lycos.com> wrote in message news:GAKC9v.F5A@lugnet.com... (...) With the 0.1uF in parallel with the 4.7K, the voltage on the clock circuit is still above the measurement voltage during the normal read interval. It doesn't (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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(...) Regarding the power used I think you are correct since it is or the order of few microamp. but even then your design can not ( rather Do not ) switch power. Also what I did not like in your desigh is 4.7K resistor. which changes reading in (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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In lugnet.robotics.rcx, Rainer Balzerowski writes: hi Rainer (...) This is not true since you need to maximum of 60ms after that time out occurs in microconterolor and it chanes the sensor. yes that is true that it is slow for your application. I (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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(...) I'll bet you can't even measure the power used in the two CMOS parts. Why don't you publish your design so we can pick on it? Michael Gasperi (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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Hi Nitin, (...) Yes, sadly but true. That's why I have to use a battery anyway. (Or an output, but I would save it for other tasks.) (...) I understand. I should have explained what i'm doing with the sharps, sorry. I have a task running, that (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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(...) Hi Sebastian I think you're right in your analysis and TLG may silently have fixed the problem, because if you look at the Vision Command installation, you'll find that some of the SDK DLLs are newer in that release. For fun, I copied the DLLs (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: light sensor multiplexer
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Hi Rainer, I do not understand quite your point about timing. Regarding to power sharp takes much more than what your RCX can give ( my measuremants show that RCX gives RMS current of )15 mA only this is not going to drive your sharp at all. (...) (25 years ago, 21-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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(...) Hi Nitin, okay, I see. Sorry, but then your circuit isn't interesting for me. I thought about using Sharp GP2D12 with it, but that won't work. First the Sharps have a current consumption of about 33mA up to 50mA max. Second the Sharps need (...) (25 years ago, 20-Mar-01, to lugnet.robotics.rcx)
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear fellow Lego enthusiasts, so far I did not receive any feedback to my problem report, neither from the newsgroup, nor from Lego technical support. Could somebody please try to confirm that I am not completely stupid in my analysis! Regards, (...) (25 years ago, 20-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: light sensor multiplexer
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Hi Rainer What I do is that switch the power to silected sensor only I do it by using FET. since there is not enough power for all sensors. so when you switch to sensor 2 other sensors are kept off. there is enough power for one sensor since my (...) (25 years ago, 20-Mar-01, to lugnet.robotics.rcx)
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| | Re: light sensor multiplexer
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(...) Hi Nitin, if you do NOT need an external battery, how much current (with which voltage) does your multiplexer provide for each active input ? Very interested, Rainer (25 years ago, 19-Mar-01, to lugnet.robotics.rcx)
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| | light sensor multiplexer
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just now I have finished making of light ( any powered) sensor multiplexer. this sensor does not need any external battery. can multiplex 3 sensor . gives random access to any sensor you can select any sensor by giving ( momenterely changing to (...) (25 years ago, 19-Mar-01, to lugnet.robotics.rcx)
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| | About the speed of micro-scout
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I want to use Scout to make Micro-scout's motor rotation, I want to know the speed of this motor when I send a VLL(16) or VLL(20), which power level (1-7) of RCX/Scout is similar to micro-scout's speed? Br Zhengrong (25 years ago, 19-Mar-01, to lugnet.robotics.scout, lugnet.robotics.rcx, lugnet.robotics.vll)
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| | Re: Remote Control Internals?
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(...) The LEGO remote control sends bytecode D2 (documented in the RCX 2.0 SDK, but also supported in the 1.0 firmware). When multiple buttons are pressed, the appropriate bits are ORed together in the data portion of the packet. The packet gets (...) (25 years ago, 17-Mar-01, to lugnet.robotics.rcx)
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| | Re: Remote Control Internals?
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(...) Hi Greg, Have you managed to obtain any info on the remote yet? I would like to build my own. Happy hunting, Paul Wilson (25 years ago, 17-Mar-01, to lugnet.robotics.rcx)
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| | cannot download RCX Code
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I just got my RIS last week and I've had a problem getting the IR unit to download RCX code to the RCX unit. I can download Firmware all I want and I downloaded RCX Command Center and tried downloading code from it and had no problems there either. (...) (25 years ago, 14-Mar-01, to lugnet.robotics.rcx)
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| | Re: The Voltage of RCX's output
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(...) The actual voltage does not change. The perception of different levels of power is achieved by a pulse. At full power there is no pulse, at lower powers, the time between pulses increases. Luis (25 years ago, 14-Mar-01, to lugnet.robotics.rcx)
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| | Re: Help me - Vision command with windows millenium. & another question
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"Alan Carmack" <amenpage@earthlink.net> wrote in message news:004e01c0a5d6$76...jgb6b01... (...) videos (...) us (...) I use the Windows Movie Maker utility that came with ME, it seems to work OK although there are no format options. I'm looking for (...) (25 years ago, 14-Mar-01, to lugnet.robotics.vc, lugnet.robotics.rcx)
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| | The Voltage of RCX's output
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Did anyone measure the voltage of RCX/Scout's output for every power level (0-7)? Assume the battery is new in 9v. Zhengrong (25 years ago, 14-Mar-01, to lugnet.robotics.rcx)
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| | Re: Help me - Vision command with windows millenium.
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Ok thank you That was a bad CDRom and Lego has exchange it. Everything is working fine Bye Damien Duquennoy <dduquenn@club-internet.fr> a écrit dans le message : G9qv6q.2vn@lugnet.com... (...) (25 years ago, 13-Mar-01, to lugnet.robotics.vc, lugnet.robotics.rcx)
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