clbesson 
Clem68 
à vousExact, oui c'est possible.Je suppose que l'on peut faire des mélages teintes avec les couleur entre-elles (en jouant sur 2 ou les 3 potars.
Code : Tout sélectionner
/**********************************************************************
Filename : SoftRainbowLight
Description : Make the strip light up in rainbow colors.
Auther : www.freenove.com
Modification: 2024/06/18
**********************************************************************/
#include "Freenove_WS2812_Lib_for_ESP32.h"
#define PIN_POT 1 // Define analog input pins
#define LEDS_COUNT 8 // The number of led
#define LEDS_PIN 14 // define the pin connected to the Freenove 8 led strip
#define CHANNEL 0 // RMT module channel
#define BRIGHTNESS 20 // breghtness, the value range is 0-255.
Freenove_ESP32_WS2812 strip = Freenove_ESP32_WS2812(LEDS_COUNT, LEDS_PIN, CHANNEL, TYPE_GRB);
void setup() {
strip.setBrightness(BRIGHTNESS);
strip.begin();
}
void loop () {
int colorPos=map(analogRead(PIN_POT), 0, 4095, 0, 255); for (int i= 0;i<
LEDS_COUNT;i++){
strip.setLedColorData(i,strip.Wheel(colorPos + i * 255 / 8));
}strip.show(); // Send color data to LED, and display.
delay(10);
}
C2Vues-BricoTrain 
Clément SUPER ! 
likiki 
Clem68 à vous!Code : Tout sélectionner
/**********************************************************************
Filename : NightLamp
Description : Controlling the brightness of LED by photoresistor.
Auther : www.freenove.com
Modification: 2024/06/18
**********************************************************************/
#define PIN_ANALOG_IN 1
#define PIN_LED 14
#define CHAN 0
#define LIGHT_MIN 372
#define LIGHT_MAX 2048
void setup() {
ledcAttachChannel(PIN_LED, 1000, 12, CHAN);
}
void loop() {
int adcVal = analogRead(PIN_ANALOG_IN); //read adc
int pwmVal = map(constrain(adcVal, LIGHT_MIN, LIGHT_MAX), LIGHT_MIN, LIGHT_MAX, 0, 4095); // adcVal re-map to pwmVal
ledcWrite(PIN_LED, pwmVal); // set the pulse width.
delay(10);
}Code : Tout sélectionner
/**********************************************************************
Filename : Thermomter
Description : Making a thermometer by thermistor.
Auther : www.freenove.com
Modification: 2024/06/19
**********************************************************************/
#define PIN_ANALOG_IN 1
void setup() {
Serial.begin(115200);
}
void loop() {
int adcValue = analogRead(PIN_ANALOG_IN); //read ADC pin
double voltage = (float)adcValue / 4095.0 * 3.3; // calculate voltage
double Rt = 10 * voltage / (3.3 - voltage); //calculate resistance value of thermistor
double tempK = 1 / (1 / (273.15 + 25) + log(Rt / 10) / 3950.0); //calculate temperature (Kelvin)
double tempC = tempK - 273.15; //calculate temperature (Celsius)
Serial.printf("ADC value : %d,\tVoltage : %.2fV, \tTemperature : %.2fC\n", adcValue, voltage, tempC);
delay(1000);
}Code : Tout sélectionner
/**********************************************************************
Filename : Joystick
Description : Read data from joystick.
Auther : www.freenove.com
Modification: 2024/06/19
**********************************************************************/
int xyzPins[] = {14, 13, 12}; //x,y,z pins
void setup() {
Serial.begin(115200);
pinMode(xyzPins[2], INPUT_PULLUP); //z axis is a button.
}
void loop() {
int xVal = analogRead(xyzPins[0]);
int yVal = analogRead(xyzPins[1]);
int zVal = digitalRead(xyzPins[2]);
Serial.printf("X,Y,Z: %d,\t%d,\t%d\n", xVal, yVal, zVal);
delay(500);
}Code : Tout sélectionner
/**********************************************************************
Filename : FlowingLight02
Description : Use 74HC575 to drive the ledbar to display the flowing light.
Auther : www.freenove.com
Modification: 2024/06/19
**********************************************************************/
int latchPin = 13; // Pin connected to ST_CP of 74HC595(Pin12)
int clockPin = 14; // Pin connected to SH_CP of 74HC595(Pin11)
int dataPin = 12; // Pin connected to DS of 74HC595(Pin14)
void setup() {
// set pins to output
pinMode(latchPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(dataPin, OUTPUT);
}
void loop() {
// Define a one-byte variable to use the 8 bits to represent the state of 8 LEDs of LED bar graph.
// This variable is assigned to 0x01, that is binary 00000001, which indicates only one LED light on.
byte x = 0x01; // 0b 0000 0001
for (int j = 0; j < 8; j++) { // Let led light up from right to left
writeTo595(LSBFIRST, x);
x <<= 1; // make the variable move one bit to left once, then the bright LED move one step to the left once.
delay(50);
}
delay(1000);
x = 0x80; //0b 1000 0000
for (int j = 0; j < 8; j++) { // Let led light up from left to right
writeTo595(LSBFIRST, x);
x >>= 1;
delay(50);
}
delay(1000);
}
void writeTo595(int order, byte _data ) {
// Output low level to latchPin
digitalWrite(latchPin, LOW);
// Send serial data to 74HC595
shiftOut(dataPin, clockPin, order, _data);
// Output high level to latchPin, and 74HC595 will update the data to the parallel output port.
digitalWrite(latchPin, HIGH);
}Utilisateurs parcourant ce forum : Aucun utilisateur enregistré et 1 invité