festival bot, driving app for microbit, using continuous servos connected to pin1 and pin2. Same code on transmitter and receiver.

bot.py

radio.onReceivedValue(function (name, value) {
    if (name == "roll") {
        roll = value / 50
    } else if (name == "pitch") {
        pitch = (0 - value) / 50
    } else if (name == "shake" ) {
        pins.servoWritePin(AnalogPin.P1, 90)
        pins.servoWritePin(AnalogPin.P2, 90)
        basic.showLeds(`
                # . . . #
                . # . # .
                . . # . .
                . # . # .
                # . . . #
                `)
        music.playTone(440*3, music.beat(BeatFraction.Whole))
    }
    if (pitch > 0) {
        if (reversing == -1) {
            basic.showLeds(`
                . . # . .
                . # # # .
                # . # . #
                . . # . .
                . . # . .
                `)
        }
        reversing = 1
    } else {
        if (reversing == 1) {
            basic.showLeds(`
                . . # . .
                . . # . .
                # . # . #
                . # # # .
                . . # . .
                `)
        }
        reversing = -1
    }
    pins.servoWritePin(AnalogPin.P1, 90 + roll * reversing + pitch)
    pins.servoWritePin(AnalogPin.P2, 90 + roll * reversing - pitch)
})
let roll = 0
let pitch = 0
let reversing = 0
let turbo = 0
reversing = 1
radio.setGroup(55)
pitch = 0
roll = 0
music.setVolume(127)
basic.forever(function () {
    turbo = 1
    if (input.buttonIsPressed(Button.A)) {
        turbo *= 0.4
    }
    if (input.buttonIsPressed(Button.B)) {
        turbo *= 2
    }
    if (turbo==1) {
        basic.pause(100)
    } else {
        music.playTone(440 * turbo, music.beat(BeatFraction.Quarter))
    }
    radio.sendValue("roll", turbo * input.acceleration(Dimension.X))
    radio.sendValue("pitch", turbo * input.acceleration(Dimension.Y))
})
input.onGesture(Gesture.Shake, function() {
    radio.sendValue("shake", 0)
})