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Subject: 
Power Functions infra-red RC protocol released!
Newsgroups: 
lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, lugnet.announce
Followup-To: 
lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics
Date: 
Fri, 25 Jan 2008 16:02:27 GMT
Highlighted: 
!! (details)
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25482 times
  


The LEGO company just released a document detailing the complete protocol used by Power Functions RC receiver.

I host the document on my Power Functions presentation page.

As you can see this opens up a new world of possibilities...

Philo

Here below is the announcement:

Last year we introduced a range of products using our new electronic building system: LEGO Power Functions. This new electronic building system will open up a lot of possibilities now and in the future.

One of the new things we offer now is modular remote control. In the process of designing the Power Functions RC system we did a mapping of different RC functionalities. This mapping formed the basis of the Power Functions RC protocol and most of this is built into the Power Functions RC Receiver.

The RC Handset launched now provides direct ‘bang-bang’ control, but the RC Receiver supports much more functionality like PWM speed control and single pin operation.

Now that the Power Functions elements are available at the LEGO Shop online we have decided to release the Power Functions RC protocol as open source.

Please feel free to use any information from the protocol document for personal, non-commercial use only, provided you keep intact copyright, trademarks and other proprietary rights of the LEGO Company - have fun.

Gaute Munch

Technology Product Manager

LEGO Company




Message has 5 Replies:
  Re: Power Functions infra-red RC protocol released!
 
(...) This is great news indeed, thank you for posting. Has anyone tried the rc train remote on a power function reciver to see if it uses the single output pwm control signals? If not, hopefully the new RC train system will be compatible. It also (...) (17 years ago, 25-Jan-08, to lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
  Re: Power Functions infra-red RC protocol released!
 
(...) Absolutely excellent news! Downloaded and printing... (17 years ago, 26-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
  Re: Power Functions infra-red RC protocol released!
 
(...) On page 13 it shows the transmit time slots. Giving each channel a unique stagger for repeats certainly helps avoid collisions, but I'm confused as to why they have a transmit hold off. If person A is on channel 1, and person B is on channel (...) (17 years ago, 26-Jan-08, to lugnet.technic, FTX)
  Re: Power Functions infra-red RC protocol released!
 
(...) I just tried the new commands with a home-made NXT-controlled IR remote. I was able to get them to work without a problem. I verified the single-output PWM mode, which starts a motor at a given power level, in which it stays indefinitely (...) (17 years ago, 26-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
  Re: Power Functions infra-red RC protocol released!
 
(...) In collaboration with Jason Railton I have modified/extended the NBC and NXC API functions for the HiTechnic iRLink device in support of the newly documented Power Function modes as well as the R/C Train IR protocol. I uploaded a new (...) (17 years ago, 1-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics) ! 

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