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 Robotics / RCX / 2825 (-10)
  RCX2 Sensor Mux/Demux.
 
Hi, With the construction of my latest robot, I've ended up using more than 3 sensors - 2 rotation sensor, 2 touch sensors and 1 light sensor. My RCX2 has just 3 sensor ports. I do remember seeing a write-up about how to combine two sensors by (...) (18 years ago, 8-Sep-06, to lugnet.robotics.rcx)
 
  Re: What's the highest number RCX out there?
 
Hello, (...) One of my RCX is #64xxxx (can't remember the other digits), and the other is #852579, which is the highest I've seen yet: (URL) Lavandeira - (URL) (18 years ago, 1-Sep-06, to lugnet.robotics.rcx)
 
  Original Communications Protocol Documentation
 
Hello, I have just finished writing up my little project to discover the protocol for talking to/from the RCX. The finished document as a PDF is at: (URL) I wrote this up to facilitate communications to a PC from an RCX or Spybot with the standard (...) (18 years ago, 23-Aug-06, to lugnet.robotics.rcx, FTX)
 
  Great Ball Contraption at BrickFest '06
 
There has not been a great deal of public discussion about having a Great Ball Contraption at BrickFest '06, but there WILL be a GBC at BF06. If you missed your chance last year, when we had almost fifty modules, now is the time to start building. (...) (18 years ago, 31-Jul-06, to lugnet.robotics, lugnet.technic, lugnet.events, lugnet.events.brickfest, lugnet.robotics.events, lugnet.robotics.nxt, lugnet.robotics.rcx)  
 
  RIS Installer Problem
 
I would appreciate any help - I'm not sure this is the best place to post this but I need to get in touch with software-experienced people and this looks like a good start. If I should post this elsewhere, please let me know. If anyone has some (...) (18 years ago, 26-Jul-06, to lugnet.robotics.rcx)
 
  Re: parallel RCX outputs
 
Hi Mark, (...) probably, I guess they would be started within the same millisecond, which would result in synchronized wafeforms. (...) It's not that bad, when the waveform is off the motor is floating. So the power control will be ineffective at (...) (18 years ago, 23-Jul-06, to lugnet.robotics.rcx)
 
  Re: parallel RCX outputs
 
(...) The flashing is a feature of the 1x2 and 1x4 lamps... if run in one direction, it's solid, but in the other it flashes. This comes from the old light and sound sets, where you might well want a flashing light. You're right that the two outputs (...) (18 years ago, 23-Jul-06, to lugnet.robotics.rcx)
 
  Re: parallel RCX outputs
 
(...) If all motor ports are started and stopped together, does that synchronise the PWM waveforms? If not, then I don't recommend paralleling up. If so, then I recommend paralleling up only when motors are started and stopped together and are run (...) (18 years ago, 23-Jul-06, to lugnet.robotics.rcx)
 
  Re: parallel RCX outputs
 
Hi Chris, (...) I think so (warning, this is based only on theoretical knowledge). (...) That should be ok. Setting the power level might not work correctly, from looking at the ROM code it seems the PWM waveforms are not synchronized. Now comes the (...) (18 years ago, 22-Jul-06, to lugnet.robotics.rcx)
 
  parallel RCX outputs
 
Can I put an electric 2x4 plate across output port A and B to increase the current I can draw from the brick? Chris 1. when I ran a few tests with a 1x2 lamp, I would get interesting results. A and B forward - ON A and B Reverse - ON A Forward B (...) (18 years ago, 21-Jul-06, to lugnet.robotics.rcx)


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