 | | Re: Mindstorms NXT programming languages
|
|
(...) You are right when you say the link is Bluetooth. With the RCX the link was IR signals. As long as there is some communication protocol (the more standard, the better) extremely complex logic can get into a robot's behavior. With the RCX I was (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
good analysis. Also keep in mind that Lego sells primarily through retail resellers, so their take is considerably less than the SRP. (Even the Lego stores have huge overhead, being in expensive malls). To sell a product like this at < $250 and make (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
What would I like to implement that won't fit in 256K... check out this list of modules from Pyro: # PyroModuleDirectControl # PyroModuleSequencingControl # PyroModuleBehaviorBasedControl # PyroModuleReinforcementLearning # PyroModuleNeuralNetworks (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) (speaking out from the peanut gallery) I had a big message going about this, but ROSCO has save me the time to type it. Ditto on all the above. LEGO had a price point they wouldn't budge from. According to the Wired article, more than one of (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Now this is funny. Are you suggesting (A) JB doesn't know much about hardware or (B) JB doesn't know about LEGO's development process? If you select (A) or (B), you should rethink your answer. On Fri, January 13, 2006 1:23 pm, steve wrote: (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Dan, Once you get your hands on an NXT I encourage you to try. Sounds like you have considered the costs and it might work. Don't wait for permission from us! Just try it. Often when people say it can't be done, I just consider it a challenge. (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Code, may be. But I can easily imagine large data usage in many applications. Example 1: Robot that can play pre-recorded messages. "Danger, Will Robinson!". A robot that can talks base on what it encounters is both fun and help debugging. (...) (20 years ago, 13-Jan-06, to lugnet.robotics, FTX)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Steve, Would you say that the above paragraph is a well thought out, coherent argument? Have you ever actually read a post by John or myself where we claim that LEGO can do no wrong? Or are you simply supposing that because we disagree with (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
What you say below is entirely true, up to a point. Note that most Lego stuff (and this is true outside Lego -- it applies to most controller code I've seen for robotics) is now using bytecode interpreters. The memory advantages far outweigh the CPU (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Steve, no matter how you look at it, adding that greater potential would have increased the price. Not just the $10 or whateva for the memory, but the extra development time needed to integrate it. Hell they could have just included a (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
Kevin L. Clague wrote: > What you need to do is to make a dongle for your laptop PC > with 8G DRAM, a 1 terabyte hard disk, that gives you an infinite > number of LEGO NXT compatible motor ports and sensor ports. > > You will probably have to drill (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Maybe you could go look and see. Kev (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) There is certainly a huge difference - but given that the NXT has RAM and 'broad-side' Flash on-chip, the bulk of the flash only has to function as backing storage...like a disk drive. (...) You can page executable stuff into RAM as needed. (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Ah, I missed that one. No need to make a custom chip if they've already got one- and since it has a sufficient amount of ram and flash on board, there isn't much choice. Unless there are similar chips out there with more? (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) That's because most people have a reasonable 'feel' for what will fit into the RCX and won't even attempt to fit in something that they can tell just by looking won't come close to fitting. I *KNOW* without looking that I can't do image (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) I think, John, you've finally started us down the right path to (hopefully) put this whole topic to bed. What we're talking about here isn't necessarily a difference between serial FLASH and parallel FLASH. What we're talking about is the (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Agreed! And if they did come up with a PC in a brick, you'd have to put new batteries in it every few minutes :) JB (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | RCX NXT Possible Improvements over older RCXs
|
|
I've seen mention of improvements to the light sensor and also the change from analogue to digital interfacing. I think an improvement to the light sensor, by making it pulse the LED at a frequency that can be filtered - a lot higher than 50 or 60Hz (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Er ... Is there an apples and oranges problem here? You are referring to serial memory devices used for data storage versus broad side FLASH which permits the CPU to execute from it. If the CPU were to be crippled by executing from a SD memory (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
| |
| | Re: Mindstorms NXT programming languages
|
|
(...) Steve, What you need to do is to make a dongle for your laptop PC with 8G DRAM, a 1 terabyte hard disk, that gives you an infinite number of LEGO NXT compatible motor ports and sensor ports. You will probably have to drill a few technic pin (...) (20 years ago, 13-Jan-06, to lugnet.robotics)
|
