Show light sensor values 0-255 (makey makey + BBC:micro)

showLightSensorValues.js

basic.forever(function () {
    let light = input.lightLevel()
    let fillAmount = Math.map(light, 0, 255, 0, 25)
    fillAmount = Math.constrain(fillAmount, 0, 25)

    basic.clearScreen()

    for (let i = 0; i < fillAmount; i++) {
        let x = i % 5
        let y = Math.floor(i / 5)
        led.plot(x, y)
    }

    
    basic.pause(1)
})