Author: Challanger524

07-buzzer_active/07-buzzer_active.ino

@@ -0,0 +1,12 @@
+const int buzzPin = 3;
+
+void setup() {
+  pinMode(buzzPin, OUTPUT);
+}
+
+void loop() {
+  digitalWrite(buzzPin, HIGH);
+  delay(500);
+  digitalWrite(buzzPin, LOW);
+  delay(3000);
+}

09-led_rgb/09-led_rgb.ino

@@ -0,0 +1,25 @@
+const int redPin = 11;
+const int bluePin = 10;
+const int greenPin = 9;
+
+void setup() {
+  pinMode(redPin, OUTPUT);
+  pinMode(bluePin, OUTPUT);
+  pinMode(greenPin, OUTPUT);
+}
+
+void loop() {
+  for (int i = 0; i < 255; i++) {
+    analogWrite(redPin, i);
+    analogWrite(bluePin, 128 - i);
+    analogWrite(greenPin, 255 - i);
+    delay(2);
+  }
+
+  for (int i = 255; i > 0; i--) {
+    analogWrite(redPin, i);
+    analogWrite(bluePin, 128 - i);
+    analogWrite(greenPin, 255 - i);
+    delay(2);
+  }
+}

09-led_rgb/led_rgb.webp

@@ -0,0 +1 @@
+![](led_rgb.webp)

09-led_rgb/readme.md

@@ -0,0 +1,24 @@
+const int temprPin = A0; // temperature sensor pin
+
+void setup() {
+  Serial.begin(9600);
+  //pinMode(A0, INPUT);
+  pinMode(temprPin, INPUT);
+}
+
+void loop() {
+  const int sensor = analogRead(temprPin);
+
+  Serial.print(sensor * 5.0 / 1023.0); // voltage
+  Serial.print("V (");
+  Serial.print(sensor);
+  Serial.print(")");
+
+  const int tempr = (sensor * 125) >> 8;
+  Serial.print(" = ");
+  Serial.print(tempr);
+  Serial.print("C");
+
+  Serial.print("\n");
+  delay(500);
+}

12-sensor_temperature_lm35/12-sensor_temperature_lm35.ino

@@ -0,0 +1,15 @@
+```
+...
+0.28V (57) = 27C
+0.28V (58) = 28C
+0.28V (57) = 27C
+0.28V (57) = 27C
+0.28V (57) = 27C
+0.28V (58) = 28C
+0.29V (59) = 28C
+0.30V (61) = 29C
+0.30V (61) = 29C
+0.30V (61) = 29C
+0.30V (62) = 30C
+...
+```