- Arduino(1) 基本操作
- 課堂習作(1)：LED燈
- 電路圖
- 程式碼
- 課堂習作(2)：開關
- 電路圖
- 程式碼
- 課堂習作(3)：倒水燈
- 思考模式
- 電路圖
- 程式碼
- 應用switch case的寫法
- 漸亮漸暗
- 倒水燈完整程式碼
- 倒水燈（亞東技術學院：水流版本）
- 課堂習作(4)：可調式電阻 呼吸燈
- 課堂習作(5)：伺服馬達操作
- 電路圖
- Arduino範例程式
- 課堂習作(6)：距離感測器
- 課堂習作(7)：距離感測器+伺服馬達
- Reference
- 杜邦頭
- COSCUP2014發表內容
- 2014年人機互動概論課程
- 解決訊號無法傳輸問題
課堂習作(1)：LED燈
/* Blink Turns on an LED on for one second, then off for one second, repeatedly. This example code is in the public domain. */// Pin 13 has an LED connected on most Arduino boards.// give it a name:int led = 13; //第13個腳位請改成12，因為第13個腳位為測試用腳位可能會有訊號不穩定的狀態// the setup routine runs once when you press reset:void setup() { //setcup內的程式是執行一次之後即完成設定不需要以loop的方式重覆執行 // initialize the digital pin as an output. pinMode(led, OUTPUT);}// the loop routine runs over and over again forever:void loop() { digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second digitalWrite(led, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for a second}課堂習作(2)：開關
// constants won't change. They're used here to// set pin numbers:const int buttonPin = 2; // the number of the pushbutton pinconst int ledPin = 12; // the number of the LED pin //第13個腳位請改成12，因為第13個腳位為測試用腳位可能會有訊號不穩定的狀態// variables will change:int buttonState = 0; // variable for reading the pushbutton statusvoid setup() { // initialize the LED pin as an output: pinMode(ledPin, OUTPUT); //不要忘了設定pinMode // initialize the pushbutton pin as an input: pinMode(buttonPin, INPUT);}void loop(){ // read the state of the pushbutton value: buttonState = digitalRead(buttonPin); // check if the pushbutton is pressed. // if it is, the buttonState is HIGH: if (buttonState == HIGH) { // turn LED on: digitalWrite(ledPin, HIGH); } else { // turn LED off: digitalWrite(ledPin, LOW); }}課堂習作(3)：倒水燈
//第一組開關以及LED燈const int buttonPin_1 = 3;const int ledPin_1 = 10; //第13個腳位請改成12，因為第13個腳位為測試用腳位可能會有訊號不穩定的狀態//第二組開關以及LED燈const int buttonPin_2 = 4;const int ledPin_2 = 11;int buttonState_1 = 0;int buttonState_2 = 0;void setup() { //不要忘了設定pinMode pinMode(ledPin_1, OUTPUT); pinMode(ledPin_2, OUTPUT); pinMode(buttonPin_1, INPUT); pinMode(buttonPin_2, INPUT);}void loop(){ buttonState_1 = digitalRead(buttonPin_1); buttonState_2 = digitalRead(buttonPin_2); //一個開關控制兩個LED燈 if (buttonState_1 == 1) { digitalWrite(ledPin_1, HIGH); digitalWrite(ledPin_2, LOW); } if (buttonState_2 == 1){ digitalWrite(ledPin_1, LOW); digitalWrite(ledPin_2, HIGH); }}//Arduino//switch case 應用範例//設定變數int buttonPin_1 = 3;int ledPin_1 = 11;int buttonPin_2 = 4;int ledPin_2 = 10;int pinRead_1;int pinRead_2;int range;//設定pin的輸入與輸出void setup() { pinMode(ledPin_1, OUTPUT); pinMode(buttonPin_1, INPUT); pinMode(ledPin_2, OUTPUT); pinMode(buttonPin_2, INPUT);}void loop() {pinRead_1 = digitalRead(buttonPin_1);pinRead_2 = digitalRead(buttonPin_2);if(pinRead_1==0&&pinRead_2==1){ range=1; //執行switch case中的 case 0}if(pinRead_1==1&&pinRead_2==0){ range=0; //執行switch case中的 case 1}switch (range) {//switch case的做法是讓程式去選擇底下要執行的區塊，區塊的內容為case到break之間case 0: digitalWrite(ledPin_1,LOW); digitalWrite(ledPin_2,HIGH); break;case 1: digitalWrite(ledPin_1,HIGH); digitalWrite(ledPin_2,LOW); break; }}/* Fading This example shows how to fade an LED using the analogWrite() function. The circuit: * LED attached from digital pin 9 to ground. Created 1 Nov 2008 By David A. Mellis modified 30 Aug 2011 By Tom Igoe http://arduino.cc/en/Tutorial/Fading This example code is in the public domain. */int ledPin = 9; // LED connected to digital pin 9void setup() { // nothing happens in setup}void loop() { // fade in from min to max in increments of 5 points: for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5) { //fadeValue = fadeValue + 5; // sets the value (range from 0 to 255): analogWrite(ledPin, fadeValue); //將第9個腳位當成類比輸出PWM~ // wait for 30 milliseconds to see the dimming effect delay(30); } // fade out from max to min in increments of 5 points: for(int fadeValue = 255 ; fadeValue >= 0; fadeValue -=5) { // sets the value (range from 0 to 255): analogWrite(ledPin, fadeValue); // wait for 30 milliseconds to see the dimming effect delay(30); }}int buttonPin_1 = 3;int ledPin_1 = 10;int buttonPin_2 = 4;int ledPin_2 = 11;int pinRead_1;int pinRead_2;int range;int brightness;int brightness1;int brightness2;int delayDuration=30;void setup() { pinMode(ledPin_1, OUTPUT); pinMode(buttonPin_1, INPUT); pinMode(ledPin_2, OUTPUT); pinMode(buttonPin_2, INPUT);}void loop() {pinRead_1 = digitalRead(buttonPin_1);pinRead_2 = digitalRead(buttonPin_2);if(pinRead_1==0 && pinRead_2==1){ range=0;}if(pinRead_1==1 && pinRead_2==0){ range=1;}if(pinRead_1==1 && pinRead_2==1){ range=2;}if(pinRead_1==0 && pinRead_2==0){ range=3;}switch (range) {//switch case的做法是讓程式去選擇底下要執行的區塊，區塊的內容為case到break之間case 0: analogWrite(ledPin_1,brightness1); brightness1 = brightness1 - 5 ; if (brightness1 <= 0) { brightness1 = 0 ; } delay(delayDuration); analogWrite(ledPin_2,brightness2); brightness2 = brightness2 + 5 ; if (brightness2 >= 255) { brightness2 = 255 ; } delay(delayDuration); break;case 1: analogWrite(ledPin_1,brightness1); brightness1 = brightness1 + 5 ; if (brightness1 >= 255) { brightness1 = 255 ; } delay(delayDuration); analogWrite(ledPin_2,brightness2); brightness2 = brightness2 - 5 ; if (brightness2 <= 0) { brightness2 = 0 ; } delay(delayDuration); break; case 2: if (brightness2 != 0 ){ analogWrite(ledPin_1,brightness1=0); } else { analogWrite(ledPin_1,brightness1=255); } break; case 3: analogWrite(ledPin_1,brightness); analogWrite(ledPin_2,brightness); brightness = brightness - 5 ; if (brightness <= 0) { brightness = 0 ; } delay(delayDuration); break; }}short ledU=3,ledD=5,ledM=11,GSenserU=7,GSenserD=8;short MAX_BRI=170;boolean b,gu,gd;int bri;void setup() { pinMode(ledU, OUTPUT); pinMode(ledD, OUTPUT); pinMode(GSenserU,INPUT); pinMode(GSenserD,INPUT); digitalWrite(ledD, HIGH);}void loop() { gu = digitalRead(GSenserU); gd = digitalRead(GSenserD); if(gu && !gd){ bri+=2; ledPwm(); } else if(!gu && gd){ bri-=2; ledPwm(); } delay(6);}void ledPwm(){ if(bri>MAX_BRI) bri=MAX_BRI; if(bri<0) bri=0; if(bri!=MAX_BRI && bri!=0 && bri%3==0) analogWrite(ledM, 30); else digitalWrite(ledM, LOW); analogWrite(ledU, bri); analogWrite(ledD, MAX_BRI-bri);}
int photocellPin = 2; // 光敏電阻 (photocell) 接在 anallog pin 2int photocellVal = 0; // photocell variableint minLight = 200; // 最小光線門檻值int ledPin = 9;int ledState = 0;
void setup() { pinMode(ledPin, OUTPUT); Serial.begin(9600);}
void loop() { // 讀取光敏電阻並輸出到 Serial Port photocellVal = analogRead(photocellPin); Serial.println(photocellVal); // 光線不足時打開 LED if (photocellVal < minLight && ledState == 0) { digitalWrite(ledPin, HIGH); // turn on LED ledState = 1; } // 光線充足時關掉 LED if (photocellVal > minLight && ledState == 1) { digitalWrite(ledPin, LOW); // turn off LED ledState = 0; } delay(100);} 課堂習作(4)：可調式電阻 呼吸燈
int lighting = 0;int Led_01 = 3;int val = 0;
void setup() { pinMode(Led_01, OUTPUT);}
void loop() { lighting = analogRead(0); val = map(lighting, 0, 1023, 0, 255); analogWrite(3, val);}課堂習作(5)：伺服馬達操作
// Controlling a servo position using a potentiometer (variable resistor)// by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>#include <Servo.h>Servo myservo;// create servo object to control a servoint potpin = 0;// analog pin used to connect the potentiometerint val;// variable to read the value from the analog pinvoid setup(){ myservo.attach(9); // attaches the servo on pin 9 to the servo object}void loop(){ val = analogRead(potpin); // reads the value of the potentiometer (value between 0 and 1023) val = map(val, 0, 1023, 0, 179); //map 前面兩組數字到後面兩組範圍內 // scale it to use it with the servo (value between 0 and 180) myservo.write(val); // sets the servo position according to the scaled value delay(15); // waits for the servo to get there}課堂習作(6)：距離感測器
const int trig = 2;const int echo = 4;const int inter_time = 500;int time = 0;
void setup() { Serial.begin(9600); pinMode (trig, OUTPUT); pinMode (echo, INPUT);}
void loop() { float duration, distance; digitalWrite(trig, HIGH); delayMicroseconds(1000); digitalWrite(trig, LOW); duration = pulseIn (echo, HIGH); distance = (duration/2)/29; Serial.print("Data:"); Serial.print (time/1000); Serial.print(", d = "); Serial.print(distance); Serial.println(" cm"); time = time + inter_time; delay(inter_time);}課堂習作(7)：距離感測器+伺服馬達
#include <Servo.h>Servo myservo;
const int trig = 2;const int echo = 4;const int inter_time = 500;int time = 0;int val;
void setup() { Serial.begin(9600); pinMode (trig, OUTPUT); pinMode (echo, INPUT); myservo.attach(9);}
void loop() { float duration, distance; digitalWrite(trig, HIGH); delayMicroseconds(1000); digitalWrite(trig, LOW); duration = pulseIn (echo, HIGH); distance = (duration/2)/29; val = map(distance, 0, 10, 0, 179); myservo.write(val); Serial.print("Data:"); Serial.print (time/1000); Serial.print(", d = "); Serial.print(distance); Serial.println(" cm"); time = time + inter_time; delay(inter_time);}Reference