Control LEGO Power Functions with a Raspberry Pi and an IR LED, using LIRC (Linux Infrared Remote Control).
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README.rst

LEGO Power Functions LIRC

Linux Infrared Remote Control configuration files for LEGO Power Functions RC v1.20.


Setup

  • Copy the included configuration files into the an appropriate folder (likely /etc/lirc/lircd.conf.d/lego).
  • Add include directives to /etc/lirc/lircd.conf for each configuration file you wish to use, for example:
echo "include /etc/lirc/lircd.conf.d/lego/Combo_PWM" >> /etc/lirc/lircd.conf
  • includes the necessary steps to get LIRC up and running on a Raspberry Pi.
  • Jorge Pereira's blog post, Infrared Remote Control, demonstrates how to use LEGO LIRC with a headphone jack.

Known Issues

  • The Extended Mode generation code is included, however, it has not yet been tested.
  • Of Single Output Mode's two sub-modes, PWM is implemented while Clear/Set/Toggle/Inc/Dec is not.

References

Included:
- LEGO_Power_Functions_RC_v120 is a copy of LEGO's official documentation for their protocol.
- LPF_RC_Protocol contains a summarized protocol definition and encoding/decoding timing parameters.
- LPF_RC_Modes contains summarized mode-specific data and deviations from the standard protocol.
- LIRC_Remote contains common LIRC lircd.conf-style configuration file settings for the LEGO RC protocol.

Released under the MIT License.