from machine import Pin
import time
 
led = Pin(12, Pin.OUT)# Build an LED object, connect the external LED light to pin 0, and set pin 0 to output mode
while True:
    led.value(1)# turn on led
    time.sleep(1)# delay 1s
    led.value(0)# turn off led
    time.sleep(1)# delay 1s

import time
from machine import Pin,PWM
 
#The way that the ESP32 PWM pins output is different from traditionally controllers.
#It can change frequency and duty cycle by configuring PWM’s parameters at the initialization stage.
#Define GPIO 0’s output frequency as 10000Hz and its duty cycle as 0, and assign them to PWM.
p0 = Pin(012, Pin.OUT)
pwm = PWM(p0, freq=10000, duty_u16=8192)
 
 
try:
    while True: 
#The range of duty cycle is 0-1023, so we use the first for loop to control PWM to change the duty
#cycle value,making PWM output 0% -100%; Use the second for loop to make PWM output 100%-0%.  
        for i in range(0,1023):
            pwm.duty(i)
            time.sleep_ms(1)
 
        for i in range(0,1023):
            pwm.duty(1023-i)
            time.sleep_ms(1)  
except:
#Each time PWM is used, the hardware Timer will be turned ON to cooperate it. Therefore, after each use of PWM,
#deinit() needs to be called to turned OFF the timer. Otherwise, the PWM may fail to work next time.
    pwm.deinit()

from machine import Pin
import time
 
button1 = Pin(16, Pin.IN, Pin.PULL_UP)
button2 = Pin(27, Pin.IN, Pin.PULL_UP)
 
while True:
    btnVal1 = button1.value()  # Reads the value of button 1
    btnVal2 = button2.value()
    print("button1 =",btnVal1)  #Print it out in the shell
    print("button2 =",btnVal2)
    time.sleep(0.1) #delay 0.1s

from machine import Pin
import time
 
button1 = Pin(16, Pin.IN, Pin.PULL_UP)
led = Pin(12, Pin.OUT)
count = 0
 
while True:
    btnVal1 = button1.value()  # Reads the value of button 1
    #print("button1 =",btnVal1)  #Print it out in the shell
    if(btnVal1 == 0):
        time.sleep(0.01)
        while(btnVal1 == 0):
            btnVal1 = button1.value()
            if(btnVal1 == 1):
                count = count + 1
                print(count)
    val = count % 2
    if(val == 1):
        led.value(1)
    else:
        led.value(0)
    time.sleep(0.1) #delay 0.1s

from machine import Pin
import time
 
PIR = Pin(14, Pin.IN)
while True:
    value = PIR.value()
    print(value, end = " ")
    if value == 1:
        print("Des personnes sont dans la zone ...!")
    else:
        print("il n'y a personne ...!")
    time.sleep(0.1)

from machine import Pin, PWM
from time import sleep
buzzer = PWM(Pin(25))
 
buzzer.duty(1000) 
 
# Happy birthday
buzzer.freq(294)
sleep(0.25)
buzzer.freq(440)
sleep(0.25)
buzzer.freq(392)
sleep(0.25)
buzzer.freq(532)
sleep(0.25)
buzzer.freq(494)
sleep(0.25)
buzzer.freq(392)
sleep(0.25)
buzzer.freq(440)
sleep(0.25)
buzzer.freq(392)
sleep(0.25)
buzzer.freq(587)
sleep(0.25)
buzzer.freq(532)
sleep(0.25)
buzzer.freq(392)
sleep(0.25)
buzzer.freq(784)
sleep(0.25)
buzzer.freq(659)
sleep(0.25)
buzzer.freq(532)
sleep(0.25)
buzzer.freq(494)
sleep(0.25)
buzzer.freq(440)
sleep(0.25)
buzzer.freq(698)
sleep(0.25)
buzzer.freq(659)
sleep(0.25)
buzzer.freq(532)
sleep(0.25)
buzzer.freq(587)
sleep(0.25)
buzzer.freq(532)
sleep(0.5)
buzzer.duty(0)

from machine import Pin, PWM
import time
pwm = PWM(Pin(13))  
pwm.freq(50)
 
'''
Duty cycle corresponding to the Angle
0°----2.5%----25
45°----5%----51.2
90°----7.5%----77
135°----10%----102.4
180°----12.5%----128
'''
angle_0 = 25
angle_90 = 77
angle_180 = 128
 
while True:
    pwm.duty(angle_0)
    time.sleep(1)
    pwm.duty(angle_90)
    time.sleep(1)
    pwm.duty(angle_180)
    time.sleep(1)

# Import Pin, ADC and DAC modules.
from machine import ADC,Pin,DAC,PWM
import time
pwm = PWM(Pin(5))  
pwm.freq(50)
 
# Turn on and configure the ADC with the range of 0-3.3V 
adc=ADC(Pin(34))
adc.atten(ADC.ATTN_11DB)
adc.width(ADC.WIDTH_12BIT)
 
# Read ADC value once every 0.1seconds, convert ADC value to DAC value and output it,
# and print these data to “Shell”. 
try:
    while True:
        adcVal=adc.read()
        dacVal=adcVal//16
        voltage = adcVal / 4095.0 * 3.3
        print("ADC Val:",adcVal,"DACVal:",dacVal,"Voltage:",voltage,"V")
        if(voltage > 0.6):
            pwm.duty(46)
        else:
            pwm.duty(100)
        time.sleep(0.1)
except:
    pass

#Import Pin, neopiexl and time modules.
from machine import Pin
import neopixel
import time
 
#Define the number of pin and LEDs connected to neopixel.
pin = Pin(26, Pin.OUT)
np = neopixel.NeoPixel(pin, 4) 
 
#brightness :0-255
brightness=100                                
colors=[[brightness,0,0],                    #red
        [0,brightness,0],                    #green
        [0,0,brightness],                    #blue
        [brightness,brightness,brightness],  #white
        [0,0,0]]                             #close
 
#Nest two for loops to make the module repeatedly display five states of red, green, blue, white and OFF.    
while True:
    for i in range(0,5):
        for j in range(0,4):
            np[j]=colors[i]
            np.write()
            time.sleep_ms(50)
        time.sleep_ms(500)
    time.sleep_ms(500)