first commit

PWM_TEST/PWM_TEST.ino

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+/*********
+  Rui Santos
+  Complete project details at https://randomnerdtutorials.com  
+*********/
+
+const int ledPin = D2; 
+
+void setup() {
+   pinMode(ledPin,OUTPUT);
+ 
+}
+
+void loop() {
+  // increase the LED brightness
+  for(int dutyCycle = 0; dutyCycle < 255; dutyCycle++){   
+    // changing the LED brightness with PWM
+    analogWrite(ledPin, dutyCycle);
+    delay(10);
+  }
+
+  // decrease the LED brightness
+  for(int dutyCycle = 255; dutyCycle > 0; dutyCycle--){
+    // changing the LED brightness with PWM
+    analogWrite(ledPin, dutyCycle);
+    delay(10);
+  }
+}