RGB com 3 potenciômetros
Atividade 4
RGB com 3 potenciômetros
/*
Controlando Led RGB com 3 potenciômetros de 10 K ohms
Resistores de 330 ohms
http://www.silvinopresa.com/how-to/arduino/rgb-led-common-annode-controlled-by-potentiometers-and-arduino/
Adapatado por César Bastos em 26 de outubro de 2018
*/
int redPin = 9; // configura o verde no pino PWM 9
int greenPin = 10; // configura o azul no pino PWM 10
int bluePin = 11; // configura o vermelho no pino PWM 11
int potPin_red = A0; // configura o potentiometer A0 para o vermelho
int potPin_green = A1;// configura o potentiometer A1 para o azul
int potPin_blue = A2; // configura o potentiometer A2 para o verde
int readValue_red; //declare variable to store the read value from the potentiometer which controls the red LED
int readValue_green; //declare variable to store the read value from the potentiometer which controls the green LED
int readValue_blue; //declare variable to store the read value from the potentiometer which controls the blue LED
int writeValue_red; //declare variable to send to the red LED
int writeValue_green; //declare variable to send to the green LED
int writeValue_blue; //declare variable to send to the blue LED
void setup() {
pinMode(potPin_red, INPUT); //set potentiometer for red LED as input
pinMode(potPin_green, INPUT); //set potentiometer for green LED as input
pinMode(potPin_blue, INPUT); //set potentiometer for blue LED as input
pinMode(redPin,OUTPUT); //set pin for red LED as output
pinMode(bluePin,OUTPUT); //set pin for green LED as output
pinMode(greenPin, OUTPUT); //set pin for blue LED as output
}
void loop() {
readValue_red = analogRead(potPin_red); //Read voltage from potentiometer to control red LED
readValue_green = analogRead(potPin_green); //Read voltage from potentiometer to control green LED
readValue_blue = analogRead(potPin_blue); //Read voltage from potentiometer to control blue LED
writeValue_red = (255./1023.)*readValue_red; //Calculate the value to write on the red LED (add point to change to float point)
writeValue_green = (255./1023.)*readValue_green; //Calculate the value to write on the green LED
writeValue_blue = (255./1023.)*readValue_blue; ///Calculate the value to write on the blue LED
analogWrite(redPin,writeValue_red); //write value to set the brightness of the red LED
analogWrite(greenPin,writeValue_green); //write value to set the brightness of the green LED
analogWrite(bluePin,writeValue_blue); //write value to set the brightness of the blue LED
}
/*
Controlando Led RGB com 3 potenciômetros de 10 K ohms
Resistores de 330 ohms
Adapatado por César Bastos em 26 de outubro de 2018
*/
int redPin = 9; // configura o verde no pino PWM 9
int greenPin = 10; // configura o azul no pino PWM 10
int bluePin = 11; // configura o vermelho no pino PWM 11
int potPin_red = A0; // configura o potentiometer A0 para o vermelho
int potPin_green = A1;// configura o potentiometer A1 para o azul
int potPin_blue = A2; // configura o potentiometer A2 para o verde
int readValue_red; //declare variable to store the read value from the potentiometer which controls the red LED
int readValue_green; //declare variable to store the read value from the potentiometer which controls the green LED
int readValue_blue; //declare variable to store the read value from the potentiometer which controls the blue LED
int writeValue_red; //declare variable to send to the red LED
int writeValue_green; //declare variable to send to the green LED
int writeValue_blue; //declare variable to send to the blue LED
void setup() {
pinMode(potPin_red, INPUT); //set potentiometer for red LED as input
pinMode(potPin_green, INPUT); //set potentiometer for green LED as input
pinMode(potPin_blue, INPUT); //set potentiometer for blue LED as input
pinMode(redPin,OUTPUT); //set pin for red LED as output
pinMode(bluePin,OUTPUT); //set pin for green LED as output
pinMode(greenPin, OUTPUT); //set pin for blue LED as output
}
void loop() {
readValue_red = analogRead(potPin_red); //Read voltage from potentiometer to control red LED
readValue_green = analogRead(potPin_green); //Read voltage from potentiometer to control green LED
readValue_blue = analogRead(potPin_blue); //Read voltage from potentiometer to control blue LED
writeValue_red = (255./1023.)*readValue_red; //Calculate the value to write on the red LED (add point to change to float point)
writeValue_green = (255./1023.)*readValue_green; //Calculate the value to write on the green LED
writeValue_blue = (255./1023.)*readValue_blue; ///Calculate the value to write on the blue LED
analogWrite(redPin,writeValue_red); //write value to set the brightness of the red LED
analogWrite(greenPin,writeValue_green); //write value to set the brightness of the green LED
analogWrite(bluePin,writeValue_blue); //write value to set the brightness of the blue LED
}