For this challenge we will create a a game of Whack-A-Mole using an Arduino device/board, three LEDs, three push buttons and a piezo buzzer.
You do not need to have access to an Arduino board. Instead you can use the online Arduino simulator from Tinkercad to recreate the electronic circuit and add the code provided below.
Open Tinkercad in new windowElectronic Circuit
First you will need to recreate the following electronic circuit:
C/C++ Code
Then you will need to use the following code (When using tinkerpad, choose the text option rather than blocks)
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// Arduino Whack-A-Mole - www.101computing.net/arduino-whack-a-mole int red = 0; int green = 0; int blue = 0; int redIn = 5; int redOut = 11; int greenIn = 6; int greenOut = 12; int blueIn = 7; int blueOut = 13; int piezoPin = 10; int incorrectOut = 10; int correctOut = 9; int mole = -1; void setup() { pinMode(redOut, OUTPUT); pinMode(greenOut, OUTPUT); pinMode(blueOut, OUTPUT); pinMode(redIn, INPUT); pinMode(greenIn, INPUT); pinMode(blueIn, INPUT); } // During the pause all thre moles are hidden, pressing any button would trigger a low pitch noise void pause() { unsigned long current; unsigned long end; mole = -1; digitalWrite(redOut, LOW); digitalWrite(greenOut, LOW); digitalWrite(blueOut, LOW); int pause = rand() % 500 + 100; current = millis(); end = millis() + pause; while (millis()<end) { red = digitalRead(redIn); green = digitalRead(greenIn); blue = digitalRead(blueIn); if (red == HIGH || green == HIGH || blue == HIGH) { tone(piezoPin, 100, 300); //Pin,Frequency,Duration delay(300); } } } // Randomly decide which LED to turn on void displayMole() { mole = rand() % 3 + 1; if (mole==1) { digitalWrite(redOut, HIGH); } else if (mole==2) { digitalWrite(greenOut, HIGH); }else if (mole==3) { digitalWrite(blueOut, HIGH); } } // If the user presses a button corresponding to the right LED (Whack a mole) > High pitch noise // If the user presses the wrong button > Low pitch noise void whackMole() { unsigned long current; unsigned long end; current = millis(); end = millis() + 500; while (millis()<end) { red = digitalRead(redIn); // read input value if (red == HIGH) { // check if the input is pressed if (mole==1) { // High pitch tone +++ tone(piezoPin, 1000, 10); //Pin,Frequency,Duration delay(10); } else { // Low pitch tone --- tone(piezoPin, 100, 300); //Pin,Frequency,Duration delay(300); } } green = digitalRead(greenIn); // read input value if (green == HIGH) { // check if the input is pressed if (mole==2) { // High pitch tone +++ tone(piezoPin, 1000, 10); //Pin,Frequency,Duration delay(10); } else { // Low pitch tone --- tone(piezoPin, 100, 300); //Pin,Frequency,Duration delay(300); } } blue = digitalRead(blueIn); // read input value if (blue == HIGH) { // check if the input is pressed if (mole==3) { // High pitch tone +++ tone(piezoPin, 1000, 10); //Pin,Frequency,Duration delay(10); } else { // Low pitch tone --- tone(piezoPin, 100, 300); //Pin,Frequency,Duration delay(300); } } } } void loop() { pause(); displayMole(); whackMole(); } |
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