function 正回転 () {
    pins.digitalWritePin(DigitalPin.P1, 0)
    pins.digitalWritePin(DigitalPin.P2, 1)
}
function 逆回転 () {
    pins.digitalWritePin(DigitalPin.P1, 1)
    pins.digitalWritePin(DigitalPin.P2, 0)
}
function 停止 () {
    pins.digitalWritePin(DigitalPin.P1, 0)
    pins.digitalWritePin(DigitalPin.P2, 0)
}
let mm = 0
basic.showIcon(IconNames.Happy)
basic.pause(1000)
正回転()
pins.analogWritePin(AnalogPin.P9, 0)
basic.forever(function () {
    basic.showIcon(IconNames.Heart)
    pins.analogWritePin(AnalogPin.P9, 0)
    mm = 0
    for (let index = 0; index < 10; index++) {
        basic.showNumber(mm)
        pins.analogWritePin(AnalogPin.P9, mm)
        basic.pause(1000)
        mm += 50
    }
})