workshop kamei

docs/images/workshop_examples/kamei/0805xiao_meanchair.ino

+#include <Adafruit_FreeTouch.h>
+Adafruit_FreeTouch qt_0  = Adafruit_FreeTouch(A0, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
+
+#include <TinyUSB_Mouse_and_Keyboard.h>
+
+void setup() {
+  Keyboard.begin();
+  Serial.begin(115200);
+
+  qt_0.begin();
+ }
+
+int qt_Threshold = 850;
+
+void loop() {
+  int qt0  = 0;
+   qt0  = qt_0.measure();
+
+  if (qt0 >= qt_Threshold) {
+    Serial.print("qt0: "); Serial.println(qt0);
+    Key2_act();
+  }
+
+  //delay(100);
+}
+
+void Key2_act() {
+  // shut down window
+  Keyboard.press(KEY_LEFT_CTRL);
+  Keyboard.write('w'); 
+  Keyboard.releaseAll();
+  KeyRelease();
+}
+
+void KeyRelease() {
+  Keyboard.releaseAll();
+  delay(500);
+  digitalWrite(LED_BUILTIN, HIGH);// XIAO HIGH = Off
+}
+
+/*Example 
+ 
+  Keyboard.write('a');            //press and release 'a' key
+  
+  uint8_t Multiple[3]= {'1','2','3'};
+  Keyboard.write(Multiple,3);     //multiple keys sequentially from a buffer
+  
+  Keyboard.print("456");          //print a string
+  Keyboard.println("789");        //print another string with a line
+  
+  Keyboard.press(KEY_LEFT_SHIFT); //hold down the shift
+  Keyboard.println("a uppercase sentence"); //this will be all caps
+  Keyboard.release(KEY_LEFT_SHIFT);//release the shift
+  Keyboard.println ("back to lowercase");
+  
+  Keyboard.press(KEY_LEFT_SHIFT); //press shift
+  Keyboard.println("1234");       //some text
+  Keyboard.releaseAll();          //release all
+  
+  Keyboard.println("1234");       //not shifted
+  Keyboard.print("A mistake");  //will attempt to erase this
+  delay(1000);
+  
+  Keyboard.press(KEY_LEFT_CTRL);  //will attempt control-z
+  Keyboard.write('z');
+  Keyboard.releaseAll();         //release the control key
+ */ 

docs/images/workshop_examples/kamei/0805xiao_singingleaf.ino

+#include <Adafruit_FreeTouch.h>
+
+Adafruit_FreeTouch qt_0  = Adafruit_FreeTouch(A0, OVERSAMPLE_4, RESISTOR_50K, FREQ_MODE_NONE);
+
+#include <TinyUSB_Mouse_and_Keyboard.h>
+
+void setup() {
+  Keyboard.begin();
+  Serial.begin(115200);
+
+  qt_0.begin();
+}
+
+int qt_Threshold = 850;
+
+void loop() {
+  
+  int qt0  = 0;
+
+  qt0  = qt_0.measure();
+
+  if (qt0 >= qt_Threshold) {
+    Serial.print("qt0: "); Serial.println(qt0);
+    Key2_act();
+  }
+  //delay(100);
+}
+
+void Key2_act() {
+  // play/pause on youtube
+  Keyboard.write('k'); 
+  Keyboard.releaseAll();
+  KeyRelease();
+}
+
+void KeyRelease() {
+  Keyboard.releaseAll();
+  delay(500);
+  digitalWrite(LED_BUILTIN, HIGH);// XIAO HIGH = Off
+}
+
+
+/*Example 
+ 
+  Keyboard.write('a');            //press and release 'a' key
+  
+  uint8_t Multiple[3]= {'1','2','3'};
+  Keyboard.write(Multiple,3);     //multiple keys sequentially from a buffer
+  
+  Keyboard.print("456");          //print a string
+  Keyboard.println("789");        //print another string with a line
+  
+  Keyboard.press(KEY_LEFT_SHIFT); //hold down the shift
+  Keyboard.println("a uppercase sentence"); //this will be all caps
+  Keyboard.release(KEY_LEFT_SHIFT);//release the shift
+  Keyboard.println ("back to lowercase");
+  
+  Keyboard.press(KEY_LEFT_SHIFT); //press shift
+  Keyboard.println("1234");       //some text
+  Keyboard.releaseAll();          //release all
+  
+  Keyboard.println("1234");       //not shifted
+  Keyboard.print("A mistake");  //will attempt to erase this
+  delay(1000);
+  
+  Keyboard.press(KEY_LEFT_CTRL);  //will attempt control-z
+  Keyboard.write('z');
+  Keyboard.releaseAll();         //release the control key
+ */ 

docs/workshop.md

@@ -359,3 +359,52 @@ char ctrlKey = KEY_LEFT_GUI;
 
 Keyboard.press(ctrlKey);
 ```
+
+## Examples
+
+### Footkey
+
+<video width="640"  controls>
+  <source src=".././images/workshop_examples/homma/footkey.MP4" type="video/mp4">
+</video>
+[video](./images/workshop_examples/homma/footkey.MP4)
+
+
+[code](./images/workshop_examples/homma/xiao_qtouch_footkey2.ino)
+
+###  Vegetable Organ
+<video width="640"  controls>
+  <source src=".././images/workshop_examples/ishimura/vege_organ.mp4" type="video/mp4">
+</video>
+[video](./images/workshop_examples/ishimura/vege_organ.mp4)
+
+[code](./images/workshop_examples/ishimura/Fab16_xiao_project_organ.ino)
+
+### Posture Correcting Chair
+<video width="640"  controls>
+  <source src=".././images/workshop_examples/kamei/Posture_Correcting_Chair.MP4" type="video/mp4">
+</video>
+[video](./images/workshop_examples/kamei/Posture_Correcting_Chair.MP4)
+
+[code](./images/workshop_examples/kamei/0805xiao_meanchair.ino)
+
+### Singing Leaf
+
+<video width="640"  controls>
+  <source src=".././images/workshop_examples/kamei/Singing_Leaf.MP4" type="video/mp4">
+</video>
+[video](./images/workshop_examples/kamei/Singing_Leaf.MP4)
+
+[code](./images/workshop_examples/kamei/0805xiao_singingleaf.ino)
+
+<!--
+How To Rotate Videos Using FFMpeg From Commandline
+https://ostechnix.com/how-to-rotate-videos-using-ffmpeg-from-commandline/
+
+$ ffmpeg -i input.mp4 -vf "transpose=1" output.mp4
+
+0 - Rotate by 90 degrees counter-clockwise and flip vertically. This is the default.
+1 - Rotate by 90 degrees clockwise.
+2 - Rotate by 90 degrees counter-clockwise.
+3 - Rotate by 90 degrees clockwise and flip vertically.
+ -->