adding oscillioscope video and fail comment on week 11 page

public/assignments/week11.html

@@ -128,6 +128,12 @@
                         </code>
                       </pre>
 
+                      <span class="object">
+                      <video width="600" height="300" controls>
+                      <source src="../images/oscilloscope-measure-distance-sensor.mp4" type="video/mp4">
+                      </video>
+                      </span>
+
                       <p>Link to our <a href="https://fabacademy.org/2024/labs/fabc/group-assignment/week011/" target="_blank">Group page</a></p>
 
                     </section>
@@ -321,29 +327,16 @@
                         <img src="../images/soil-humidity-sensor-test.jpg" alt="...">
                       </span>
 
+                      <p>
+                        <blockquote>
+                          I failed this week in saving the different codes. When I started documenting my work I discovered that I saved all my Arduino files with the wrong name of sensor... So I had to play "puzzle" with the files and some are missing at the end, like this one.
+                          I will have to start again on this one to  be able to share the code.
+                        </blockquote>
+                      </p>
+
                       <pre>
                         <code>
-                          #define solPin  4 // Sensor conection port
-                          #define ledPin 26 // LED connection port
-
-                          int sol;
-
-                          void setup(){
-                             Serial.begin(9600);
-
-                             pinMode(solPin, INPUT);
-                             pinMode(ledPin, OUTPUT);
-                          }
-
-                          void loop(){
-                             Serial.print("sol = ");
-                             Serial.println(digitalRead(solPin)); // show variable
-
-                             if (digitalRead(solPin) == LOW) { digitalWrite(ledPin, LOW); }
-                             if (digitalRead(solPin) == HIGH) { digitalWrite(ledPin, HIGH); }
-
-                             delay(1000);
-                          }
+                          Will come soon...
                         </code>
                       </pre>
 
@@ -491,7 +484,8 @@
                       <p><strong>My files</strong></p>
                       <ul>
                         <li><a href="../files/humidity_and_temperature.ino" target="_blank">Humidity and Temperature Arduino file</a></li>
-                        <li><a href="../files/SoilHumidity.ino" target="_blank">Soil Moisture Arduino file</a></li>
+                        <li><a href="../files/water-sensor.ino" target="_blank">Water Sensor Arduino file</a></li>
+                        
                         <li><a href="../files/BigSound.ino" target="_blank">Big Sound Arduino file</a></li>
                         <li><a href="../files/HallMagnetic.ino" target="_blank">Hall Magnetic Arduino file</a></li>
                       </ul>

public/files/water-sensor.ino

+/*
+ * Created by ArduinoGetStarted.com
+ *
+ * This example code is in the public domain
+ *
+ * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-water-sensor
+ */
+
+#define POWER_PIN  14
+#define SIGNAL_PIN A0
+
+int value = 0; // variable to store the sensor value
+
+void setup() {
+  Serial.begin(9600);
+  pinMode(POWER_PIN, OUTPUT);   // configure D7 pin as an OUTPUT
+  digitalWrite(POWER_PIN, LOW); // turn the sensor OFF
+}
+
+void loop() {
+  digitalWrite(POWER_PIN, HIGH);  // turn the sensor ON
+  delay(10);                      // wait 10 milliseconds
+  value = analogRead(SIGNAL_PIN); // read the analog value from sensor
+  digitalWrite(POWER_PIN, LOW);   // turn the sensor OFF
+
+  Serial.print("Sensor value: ");
+  Serial.println(value);
+
+  delay(1000);
+}
\ No newline at end of file