fix workbook tutorials in v6 (#307)

docs/calliope/arbeitsheft/23-4_fitness.md

@@ -1,7 +1,7 @@
 # 23 4_Fitness
 
 ```ghost
-let Tempo = 1000
+let tempo = 1000
 basic.setLedColor(0xff0000)
 basic.pause(tempo)
 for (let index = 0; index < 2; index++) {
@@ -37,8 +37,8 @@ Complete your program.
 ## Use variables @showdialog
 Use a variable to define the speed of your animation and adjust it easily.
 
-## Create variable Tempo
-Create a ``||variables.variable||`` and name it "Tempo".
+## Create variable tempo
+Create a ``||variables.variable||`` and name it "tempo".
 
 ```
 ```

docs/calliope/arbeitsheft/33-4_licht.md

@@ -1,23 +1,24 @@
 # 33 4 Light
 
 ```ghost
+let brightness = input.lightLevel();
 input.onButtonEvent(Button.B, input.buttonEventClick(), function () {
-basic.showNumber(Licht)
+basic.showNumber(brightness)
 })
 ```
 
 ## Task @showdialog
 Write a program that saves the measured light value in a variable when the LED matrix is switched off and then display the saved value on the LED matrix.
 
 ## Create variable
-Create a ``||variables.variable||`` and name it "Light".
+Create a ``||variables.variable||`` and name it "brightness".
 
 ```
 ```
 ![](https://calliope.cc/tutorials/variable_licht.png)
 
 ## Save light intensity @showdialog
-If button A is clicked, save the measured light intensity in the variable "Light".
+If button A is clicked, save the measured light intensity in the variable "brightness".
 
 ## Define input
 Select the block ``||input.on button A is clicked|||`` as input.
@@ -28,15 +29,15 @@ Use the ``||variables.set light to||`` block to set the value of the variable to
 
 
 ## Show light intensity @showdialog
-When button B is clicked, show the value of the variable "Light".
+When button B is clicked, show the value of the variable "brightness".
 
 ## Define input
 Place another block ``|| input.on button A ||`` clicked and change it to ``|| input.on button B ||`` clicked.
 
 ![Button B](https://calliope.cc/tutorials/kopf_a_b.png)
 
 ## Define output
-Use the ``|| basic.show number||`` block and display the value of the variable``||variables.light||``.
+Use the ``|| basic.show number||`` block and display the value of the variable``||variables.brightness||``.
 
 
 ## Done! 👏

docs/calliope/arbeitsheft/35-1_smart-licht.md

@@ -2,7 +2,7 @@
 
 ```ghost
 basic.forever(function () {
-if (input.lightLevel() > 20) {
+if (input.soundLevel() > 20) {
  basic.showLeds(`
  # # # # #
  # # # # #
@@ -28,7 +28,7 @@ The clapping is recognized via a permanent query of the measured volume values.
 
 ## Create condition
 Define a threshold value, e.g. `20` for the volume of your clap!
-Replace the "true" block in the query with a ``||logic.compare (=)||`` block to compare the measured ``||input.light level||`` with the threshold value.
+Replace the "true" block in the query with a ``||logic.compare (=)||`` block to compare the measured ``||input.sound level||`` with the threshold value.
 
 
 

docs/calliope/arbeitsheft/42-2_orakel.md

@@ -1,17 +1,18 @@
 # 42 2 Oracle
 
 ```ghost
-let Zufall = 0
+let zufall = 0
 input.onGesture(Gesture.Shake, function () {
-Zufall = randint(0, 2)
-if (Zufall == 1) {
- basic.showString("Ja")
-}
-if (Zufall == 2) {
- basic.showString("Nein")
-}
-if (Zufall == 3) {
- basic.showString("Vielleicht")
+ zufall = randint(0, 2)
+ if (zufall == 1) {
+ basic.showString("Ja")
+ }
+ if (zufall == 2) {
+ basic.showString("Nein")
+ }
+ if (zufall == 3) {
+ basic.showString("Vielleicht")
+ }
 }
 ```
 

docs/calliope/arbeitsheft/49-1_schaetzspiel.md

@@ -1,12 +1,12 @@
 # 49 1 Estimation game
 
 ```ghost
-let Entfernung = 0
+let distance = 0
 input.onButtonEvent(Button.A, input.buttonEventValue(ButtonEvent.Click), function () {
- Entfernung = Math.round(grove.measureInCentimeters(DigitalPin.C16))
+ distance = Math.round(grove.measureInCentimeters(DigitalPin.C16))
 })
 input.onButtonEvent(Button.B, input.buttonEventValue(ButtonEvent.Click), function () {
- basic.showNumber(Entfernung)
+ basic.showNumber(distance)
 })
 basic.forever(function () {
  basic.showLeds(`
@@ -32,7 +32,7 @@ Press button A to measure the distance and save it in a variable. Press button B
 Insert the block ``||input.on button A is clicked||`` twice and change the button to ``B`` for one block. Tip: You can duplicate the block by right-clicking.
 
 ## Define variable
-To save the distance when the button is pressed and retrieve it later, create a ``||variable.variable||`` and name it *Distance*. 
+To save the distance when the button is pressed and retrieve it later, create a ``||variable.variable||`` and name it *distance*. 
 
 
 ```

docs/calliope/arbeitsheft/50-2_personenzaehler.md

@@ -69,4 +69,4 @@ Click on ``|Download|`` to transfer your program to your Calliope mini and test
 
 ```package
 grove=github:calliope-edu/pxt-grove
-
+```