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--- workshops:arduino_for_the_curious:stage_5 [2017-04-05 12:52] – external edit 127.0.0.1
+++ workshops:arduino_for_the_curious:stage_5 [2017-04-10 11:29] – Simon
@@ Line 9: / Line 9: @@
 {{workshops:ultrasound-theory.png}}
-The distance can be calculate using the simple physics formula
+The distance can be calculated using the simple physics formula:
-Distance = Speed of Sound in Air x Time
+''Distance = Speed of Sound in Air x Time''
 As the ultrasound travels from the transmitter to the object and back again the result needs to be divided by 2.
@@ Line 42: / Line 42: @@
   *  Upload the Sketch to your Arduino and open the serial console, you should see a distance measurement output every second.
-| {{workshops:challenge_yourself.jpg?200x0}}| **Intermediate****(1)** Make a parking guide that switches on a LED when a object gets closer than 10cm to the sensor.**(2)** Change the parking guide to change the tone of the buzzer based on the distance from an object.**Harder****(3)** Build a water depth gauge that will sound an alarm when the water reaches over 90% of the container capacity. |
+| {{workshops:challenge_yourself.jpg?200x0}}| **Intermediate** \\ **(1)** Make a parking guide that switches on a LED when a object gets closer than 10cm to the sensor. \\ **(2)** Change the parking guide to change the tone of the buzzer based on the distance from an object. \\ \\ **Harder** \\ **(3)** Build a water depth gauge that will sound an alarm when the water reaches over 90% of the container capacity. |