Insert hardware vids into csintro pages (#1828)

* Insert hardward vids into csintro pages * bad paste of link
2019-02-12 16:25:51 -08:00
parent cfd5ba61e5
commit 739b9568b5
6 changed files with 50 additions and 1 deletions
--- a/docs/courses/csintro/binary/activity.md
+++ b/docs/courses/csintro/binary/activity.md
@ -96,6 +96,14 @@ input.onButtonPressed(Button.AB, () => {
 })
 ```

+### ~ hint
+
+Buttons are on all kinds of electronic devices that we use. Did ever wonder how they actually work to signal an input event?
+
+https://www.youtube.com/watch?v=t_Qujjd_38o
+
+### ~
+
 Let’s work on what to do when button A is pressed. 
 * Button A represents a binary “1”. Our first task is to join a “1” to the existing string variable called binary.
 * From the Text Toolbox drawer (under the Advanced menu), drag the 'join' block to your programming workspace