INVENTING THE WHEEL

Click on the images above to see the project pages of the different wheels.

www.datasheetcatalog.com/datasheets_pdf/L/2/9/3/L293E.shtml

#include
int pinNr=0;
//int incr=5;

void setup() {
Serial.begin(9600);
pinMode(3, OUTPUT);

}

void loop() {
int pinValue=analogRead(pinNr);
analogWrite(3,pinValue/4);
Serial.println(pinValue);
//delay(1000);
}

#include
int incr=3;
int dir=0;
int counter=0;
Servo servoMotor;
int analogValue=0;
int servoPin=2;

void setup(){
servoMotor.attach(servoPin);
}

void loop(){
if (dir==1){
counter+=incr;
}
else{
counter-=incr;
}
if(counter>=255){
dir=0;
}
if(counter<=0){
dir=1;
}

analogValue=counter;
analogValue= map(analogValue, 0, 255, 0, 179);
servoMotor.write(analogValue);
delay(1000);

}

download the open source arduino book here

int counter=0;
int dir=1;
int incr=5;
// servo

//
void setup(){
pinMode(11,OUTPUT);
digitalWrite(11,HIGH);

}
void loop(){
if(dir==1){
counter+=incr;
}
else{
counter-=incr;
}
if(counter>=255){
dir=0;
}
if(counter<=0){
dir=1;
}
analogWrite(11,counter);
delay(15);

}

//
// everthing you read in GREY is a comment
// the computer ignores it completely
//
//
//
// initialize some stuff.
// define a few variables
// of different types
int age=0;
int pastDays=0;
long myTime=0;
int hourOfDay=0;
//
//
//
// setup and loop MUST be there
void setup(){

}
void loop(){
breath();// will execute everything inside the breath() function
if(pastDays>365){// evaluating how many days have past since last birthday
haveABirthday(); // execute whatever is in the haveABirthday() function
}
pastDays=pastDays+1;// add one to the pastDays variable (increase it)
if(hourOfDay==8){// check if the hour of day is...
eat();// execute whatever is in the eat() function
}
if(hourOfDay==13){// check if the hour of day is...
eat();// execute whatever is in the eat() function
}
if(hourOfDay==19){// check if the hour of day is...
eat();// execute whatever is in the eat() function
}

}
//
//
//
// breath is a function()
void breath(){
myTime=millis();
}
// eat is a function()
void eat(){
// make sure very few
//things happen before you eat
}
// haveABirthday is a function()
void haveABirthday(){
age=age+1;
pastDays=0;
}
// tellMyAge is a function()
int tellMyAge(){
return age;
}

Anémic Cinéma, 1926

Rotoreliefs, 1935

Optical Illusion Machine, 1925

Rotary Demisphere, 1925