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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
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Message has 5 Replies:
 | | Re: Power Functions infra-red RC protocol released!
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| (...) 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 (...) (16 years ago, 26-Jan-08, to lugnet.technic, FTX)
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