Task 1 Solution
C++ | Blocks |
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int LEDPin = 11; void setup() { pinMode(LEDPin, OUTPUT); Serial.begin(9600); // just to print out the light reading. Not really necessary } void loop() { int delayValue; int lightReading = analogRead(A0); //read the analog value if(lightReading>512) { delayValue = 500; } else { delayValue = 100; } Serial.println(lightReading); digitalWrite(LEDPin, HIGH); delay(delayValue); digitalWrite(LEDPin, LOW); delay(delayValue); }]] ></ac:plain-text-body></ac:structured-macro></div></td><td><div class="content-wrapper"><p><ac:image ac:height="400"><ri:attachment ri:filename="image2020-1-21_18-31-1.png" /></ac:image></p><p>Note : The Blocks design shown above is without the Serial print option used in the C++ code on the left</p></div></td></tr></tbody></table><h3>Task 2 Solution</h3><table class="wrapped"><colgroup><col style="width: 574.0px;" /><col style="width: 475.0px;" /></colgroup><tbody><tr><th>C++</th><th>Blocks</th></tr><tr><td><div class="content-wrapper"><ac:structured-macro ac:name="code" ac:schema-version="1" ac:macro-id="d702f611-85e4-42bc-8343-92c8ded3fa53"><ac:parameter ac:name="language">cpp</ac:parameter><ac:parameter ac:name="theme">Confluence</ac:parameter><ac:plain-text-body><![CDATA[int delayValue = 0; int lightReading = 0; int brightness = 0; int buttonState = 0; int LEDPin = 11; int lightThreshold = 512; void setup() { pinMode(2, INPUT); pinMode(A0, INPUT); pinMode(LEDPin, OUTPUT); Serial.begin(9600); } void loop() { buttonState = digitalRead(2); if (buttonState == HIGH) { lightReading = analogRead(A0); if (lightReading > lightThreshold) { delayValue = 10; } else { delayValue = 5; } for (brightness = 0; brightness <= 255; brightness += 1) { analogWrite(LEDPin, brightness); delay(delayValue); } Serial.println("ON"); // this will be printed when brightness = 255 for (brightness = 255; brightness >= 0; brightness -= 1) { analogWrite(LEDPin, brightness); delay(delayValue); } } else { Serial.println("OFF"); delay(1000); // printed once every second // analogWrite(LEDPin, 0); is not needed here. Why? } }]] ></ac:plain-text-body></ac:structured-macro></div></td><td><div class="content-wrapper"><p><ac:image ac:width="450"><ri:attachment ri:filename="image2020-1-23_0-2-34.png" /></ac:image></p></div></td></tr></tbody></table> |