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Merge branch 'master' of https://github.com/microsoft/pxt-microbit

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Peli
2019-12-16 21:27:13 -08:00
parent b83b8aeb6f db9e834404
commit 06d7a645be
4 changed files with 31 additions and 28 deletions
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2
docs/reference/input/calibrate-compass.md
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@ -30,4 +30,4 @@ input.onButtonPressed(Button.AB, () => {
## See also
[compassHeading](/reference/input/compass-heading)
[compass heading](/reference/input/compass-heading)

11
docs/reference/input/compass-heading.md
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@ -56,10 +56,11 @@ basic.forever(() => {
## Calibration
Every time you start to use the compass (for example, if you have just
turned the @boardname@ on), the @boardname@ will start to [calibrateCompass](/reference/input/calibrate-compass)
(adjust itself). It will ask you to draw a circle by tilting the
@boardname@.
Every time you start to use the compass (for example, if you have just turned the @boardname@ on),
the @boardname@ will start a [calibrate compass](/reference/input/calibrate-compass)
(adjust itself).
The [calibration step](https://support.microbit.org/support/solutions/articles/19000008874-calibrating-the-micro-bit-compass)
will ask you to draw a fill pattern on the screen by tilting the @boardname@.
If you are calibrating or using the compass near metal, it might
confuse the @boardname@.
@ -78,4 +79,4 @@ input.onButtonPressed(Button.AB, () => {
## See also
[acceleration](/reference/input/acceleration), [calibrateCompass](/reference/input/calibrate-compass)
[acceleration](/reference/input/acceleration), [calibrate compass](/reference/input/calibrate-compass)

20
docs/reference/input/magnetic-force.md
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@ -1,6 +1,6 @@
# Magnetic Force
Find the amount of magnetic force (the strength of a magnet) in the direction you say.
Find the amount of magnetic force (the strength of a magnet) in one of the three directions.
```sig
input.magneticForce(Dimension.X);
@ -10,12 +10,14 @@ input.magneticForce(Dimension.X);
The @boardname@ measures magnetic force with **microteslas**.
## ~
You are asked to [calibrate](https://support.microbit.org/support/solutions/articles/19000008874-calibrating-the-micro-bit-compass) the compass the first time run a program
that uses the compass.
## ~
## Parameters
* ``dimension`` means which direction the @boardname@ should measure
* **dimension**: this is the direction the @boardname@ should measure
magnetic force in: either `Dimension.X` (the left-right direction),
`Dimension.Y` (the forward/backward direction), or `Dimension.Z`
(the up/down direction)
@ -24,16 +26,14 @@ The @boardname@ measures magnetic force with **microteslas**.
* a [number](/types/number) of microteslas that means the strength of the magnet
## Example: metal detector
## Example
This program makes the center LED of the @boardname@ get brighter when
the magnetic force is stronger, and dimmer when it is weaker.
Create a metal detector my measuring the strength of magnetic force in the `X` direction.
Display a bar graph to show the current level of magnetic force measured by the magnetometer.
```blocks
led.plot(2, 2)
basic.forever(() => {
let f = input.magneticForce(Dimension.X)
led.setBrightness(f / 2000)
basic.forever(function() {
led.plotBarGraph(input.magneticForce(Dimension.X) / 2000, 0)
})
```

26
targetconfig.json
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@ -1,18 +1,20 @@
{
"packages": {
"approvedRepos": [
"Microsoft/pxt-neopixel",
"Microsoft/pxt-microturtle",
"Microsoft/pxt-sonar",
"Microsoft/pxt-hacking-stem",
"Microsoft/pxt-bluetooth-temperature-sensor",
"Microsoft/pxt-bluetooth-midi",
"Microsoft/pxt-max6675",
"Microsoft/pxt-midi",
"Microsoft/pxt-radio-blockchain",
"Microsoft/pxt-bluetooth-max6675",
"Microsoft/pxt-filesystem",
"Microsoft/pxt-ws2812b",
"microsoft/pxt-neopixel",
"microsoft/pxt-microturtle",
"microsoft/pxt-sonar",
"microsoft/pxt-hacking-stem",
"microsoft/pxt-bluetooth-temperature-sensor",
"microsoft/pxt-bluetooth-midi",
"microsoft/pxt-max6675",
"microsoft/pxt-midi",
"microsoft/pxt-radio-blockchain",
"microsoft/pxt-bluetooth-max6675",
"microsoft/pxt-filesystem",
"microsoft/pxt-ws2812b",
"microsoft/pxt-apa102",
"microsoft/pxt-radio-firefly",
"KitronikLtd/pxt-kitronik-servo-lite",
"KitronikLtd/pxt-kitronik-motor-driver",
"KitronikLtd/pxt-kitronik-I2C-16-servo",