Codes LED - act 101

Version Pi - Langage c⚓

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/**********************************************************************
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* Filename    : Blink.c
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* Description : Basic usage of GPIO. Let led blink.
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* auther      : www.freenove.com
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* modification: 2019/12/26
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**********************************************************************/
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#include <wiringPi.h>
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#include <stdio.h>
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#define  ledPin    0	//define the led pin number
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void main(void)
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{	
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	printf("Program is starting ... \n");
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	wiringPiSetup();	//Initialize wiringPi.
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	pinMode(ledPin, OUTPUT);//Set the pin mode
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	printf("Using pin%d\n",ledPin);	//Output information on terminal
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	while(1){
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		digitalWrite(ledPin, HIGH);  //Make GPIO output HIGH level
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		printf("led turned on >>>\n");		//Output information on terminal
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		delay(1000);						//Wait for 1 second
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		digitalWrite(ledPin, LOW);  //Make GPIO output LOW level
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		printf("led turned off <<<\n");		//Output information on terminal
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		delay(1000);						//Wait for 1 second
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	}
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}
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Version Pi - Python⚓
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import RPi.GPIO as GPIO
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import time
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numPin = 18    # la LED ou le buzzer est reliée à la broche 37 (BOARD) ou 18 (BCM)
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def setup():
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    #GPIO.setmode(GPIO.BOARD)       # Numérotation physique, sinon GPIO.BCM pour la notation BCM
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    GPIO.setmode(GPIO.BCM)
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  	GPIO.setup(numPin, GPIO.OUT)   # La broche est configurée en sortie
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    GPIO.output(numPin, GPIO.LOW)  # On éteint la LED ou le arrête le buzzer
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    print ('using pin%d'%numPin)   # On affiche le n° de broche
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def loop():
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    while True:
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        GPIO.output(numPin, GPIO.HIGH)  # led ou buzz on
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        print ('...led ou buzz on')
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        time.sleep(1) # on attend 1 seconde
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        GPIO.output(numPin, GPIO.LOW)  # led ou buzz off
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        print ('led ou buzz off...')
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        time.sleep(1)
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def destroy():
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    GPIO.output(numPin, GPIO.LOW)      # led off
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    GPIO.cleanup()                     # libérer les ressources
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if __name__ == '__main__':     # Démarrage du programme
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    setup()
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    try:
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        loop()
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    except KeyboardInterrupt:  # Quand 'Ctrl+C' est activé, la méthode destroy est appelée pour mettre fin au programme
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        destroy() 
Version Pi - Nodered⚓
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[
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    {
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        "id": "8cc4ba1d342e2e95",
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        "type": "tab",
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        "label": "Flow 2",
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        "disabled": false,
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        "info": ""
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    },
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    {
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        "id": "4947a37ead4f2446",
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        "type": "inject",
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        "z": "8cc4ba1d342e2e95",
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        "name": "",
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        "props": [
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            {
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                "p": "payload"
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            },
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            {
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                "p": "topic",
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                "vt": "str"
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            }
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        ],
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        "repeat": "2",
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        "crontab": "",
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        "once": true,
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        "onceDelay": 0.1,
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        "topic": "",
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        "payload": "0",
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        "payloadType": "num",
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        "x": 210,
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        "y": 60,
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        "wires": [
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            [
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                "438617b8b5702556"
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            ]
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        ]
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    },
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    {
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        "id": "438617b8b5702556",
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        "type": "rpi-gpio out",
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        "z": "8cc4ba1d342e2e95",
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        "name": "LED GPIO17-11",
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        "pin": "11",
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        "set": true,
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        "level": "0",
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        "freq": "",
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        "out": "out",
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        "x": 430,
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        "y": 80,
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        "wires": [],
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        "inputLabels": [
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            "ON/OFF (1/0)"
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        ]
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    },
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    {
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        "id": "2bc92277862c8f5c",
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        "type": "inject",
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        "z": "8cc4ba1d342e2e95",
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        "name": "",
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        "props": [
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            {
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                "p": "payload"
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            },
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            {
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                "p": "topic",
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                "vt": "str"
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            }
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        ],
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        "repeat": "2",
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        "crontab": "",
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        "once": true,
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        "onceDelay": "1,1",
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        "topic": "",
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        "payload": "1",
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        "payloadType": "num",
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        "x": 210,
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        "y": 120,
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        "wires": [
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            [
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                "438617b8b5702556"
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            ]
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        ]
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    }
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]
Version C#⚓
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using System;
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using System.Device.Gpio;
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using System.Threading;
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Console.WriteLine("Blinking LED. Press Ctrl+C to end.");
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int buzzer_pin = 18;
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using var controller = new GpioController();
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controller.OpenPin(buzzer_pin, PinMode.Output);
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bool ledOn = true;
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while (true)
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{
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    controller.Write(buzzer_pin, ((ledOn) ? PinValue.High : PinValue.Low));
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    Thread.Sleep(1000);
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    ledOn = !ledOn;
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}