Archive for the ‘Analog input’ tag
Analog Input, Getting Creative, Love meter week 2 (1)
Click on the image
int potValue = 0; // value read from the pot
int Greenled = 9; // PWM pin that the GreenLED is on. n.b. PWM 0 is on digital pin 9
int Yellowled = 10; // PWM pin that the YellowLED is on.
int Redled = 11; // PWM pin that the redLED is on.
void setup() {
// initialize serial communications at 9600 bps:
Serial.begin(9600);
pinMode(Greenled,OUTPUT);
pinMode(Yellowled,OUTPUT);
pinMode(Redled,OUTPUT);
}
void loop() {
potValue = analogRead(potPin); // read the pot value
Serial.println(potValue);
if(100 <= potValue && potValue < 441)
{
digitalWrite(Greenled,HIGH);
digitalWrite(Yellowled,LOW);
digitalWrite(Redled,LOW);
}
else if(441 <= potValue && potValue < 782)
{
digitalWrite(Greenled,HIGH);
digitalWrite(Yellowled,HIGH);
digitalWrite(Redled,LOW);
}
else if(potValue >= 782)
{
digitalWrite(Greenled,HIGH);
digitalWrite(Yellowled,HIGH);
digitalWrite(Redled,HIGH);
}
else
{
digitalWrite(Greenled,LOW);
digitalWrite(Yellowled,LOW);
digitalWrite(Redled,LOW);
}
/*
if (0 < potValue <341) {
analogWrite(Greenled, potValue/4); // PWM the Green LED
delay(10); // wait 10 milliseconds before the next loop
}
if (201 <potValue <682) {
analogWrite(Yellowled, potValue/4); // PWM the Yellow LED
delay(10);
}
if (401<potValue <1023) {
analogWrite(Redled, potValue/4); // PWM the Yellow LED
delay(10);
}*/
}
Analog Input week 2 (1)
Click on the image
int potPin = 0; // Analog input pin that the potentiometer is attached to
int potValue = 0; // value read from the pot
int led = 9; // PWM pin that the LED is on. n.b. PWM 0 is on digital pin 9
void setup() {
// initialize serial communications at 9600 bps:
Serial.begin(9600);
}
void loop() {
potValue = analogRead(potPin); // read the pot value
analogWrite(led, potValue/4); // PWM the LED with the pot value (divided by 4 to fit in a byte)
Serial.println(potValue); // print the pot value back to the debugger pane
delay(10); // wait 10 milliseconds before the next loop
}
Analog Input using a potentiometer from Lina Giraldo on Vimeo.