Power Functions Receiver

Receiving commands from LEGO Power Functions remote controls using IR Receiver Module Iduino ST1089. Running given function when specific button is pressed or released.

Features:

• possibility to run action on RC button pressed or released
• recording commands from given channels, which could be played by extension PF Recorder

References:

• LEGO Power Functions RC

⚠️ Warning!

Lighting the diode and the IR receiver with sunlight ☀️ or from an ordinary light bulb 💡 may interfere with the signal reception.

Documentation

pfReceiver.connectIrReceiver

Connects to the IR receiver module at the specified digital pin.

pfReceiver.connectIrReceiver(DigitalPin.P2)

Parameters

• pin - the digital pin where ir receiver module is connected

pfReceiver.onCommand

Do something when a specific command is sent.

pfReceiver.onCommand(0, 0b110, 0b100, PfAction.Pressed, () => {
    basic.showIcon(IconNames.Happy)
})

Parameters

• mode - the mode (binary eg. 0b100)
• data - the data (binary eg. 0b0101) or -1 (triggers all events)
• action - the trigger action (Pressed or Released)
• handler - the body code to run when the event is raised

pfReceiver.onSpeedRCcommand

Do something when a specific button is pressed or released on the PF speed remote control.

pfReceiver.onSpeedRCcommand(PfReceiverChannel.Channel1, PfSpeedControl.RedIncrement, PfAction.Pressed, () => {
    counter += 1;
})

Parameters

• channel - the channel switch 0-3
• button - the button
• action - the trigger action (Pressed or Released)
• handler - the body code to run when the event is raised

pfReceiver.onRCcommand

Do something when a specific state of buttons on the PF remote control is achieved.

pfReceiver.onRCcommand(PfReceiverChannel.Channel1, PfControl.Forward, PfControl.Float, PfAction.Pressed, () => {
    basic.showIcon(IconNames.SmallHeart)
})

Parameters

• channel - the channel switch 0-3
• red - the state of the red output button
• blue - the state of the blue output button
• action - the trigger action (Pressed or Released)
• handler - the body code to run when the event is raised

pfReceiver.startRecord

Starts saving commands from the PF remote controls from given channels.

pfReceiver.startRecord([0]);

Parameters

• channels - the array with channels number (0-3) to record with

pfReceiver.stopRecord

Stops saving commands.

pfReceiver.stopRecord();

pfReceiver.getRecordedCommands

Returns recorded commands.

pfReceiver.getRecordedCommands();

MakeCode Example

pfReceiver.connectIrReceiver(DigitalPin.P2)

pfReceiver.onRCcommand(PfReceiverChannel.Channel1, PfControl.Forward, PfControl.Float, PfAction.Pressed, () => {
    basic.showIcon(IconNames.Heart)
})

pfReceiver.onRCcommand(PfReceiverChannel.Channel1, PfControl.Forward, PfControl.Float, PfAction.Released, () => {
    basic.clearScreen()
})

Disclaimer

LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this project.

License

Copyright (C) 2021 Adam Orczyk

Licensed under the MIT License (MIT). See LICENSE file for more details.

Supported targets

• for PXT/microbit