ajout des programmes

code/capteur.py

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+
+import machine, onewire, ds18x20, time, dht
+
+ds_pin = machine.Pin(5)
+ds_sensor = ds18x20.DS18X20(onewire.OneWire(ds_pin))
+sensor = dht.DHT22(machine.Pin(4))
+
+roms = ds_sensor.scan()
+
+while True:
+    ds_sensor.convert_temp()
+    time.sleep_ms(750)
+    try:
+        time.sleep(2)
+        sensor.measure()
+        temp = sensor.temperature()
+        hum = sensor.humidity()
+        temp_f = temp * (9/5) + 32.0
+        print('Temperature: %3.1f C' %temp)
+        print('Humidity: %3.1f %%' %hum)
+    except OSError as e:
+        print('Failed to read sensor.')
+    for rom in roms:
+        print(ds_sensor.read_temp(rom), "° (avec sonde 1-wire)")
+        print('-')
+    time.sleep(5)

code/main.py

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+from machine import Pin, SoftI2C
+from umqtt.robust import MQTTClient
+import sys
+from time import sleep
+import ssd1306,dht
+import machine
+#pin 
+i2c = SoftI2C(scl=Pin(22), sda=Pin(21))
+sensor = dht.DHT22(machine.Pin(14))
+
+# Définition de la tailler de l'écran oled
+oled_width = 128
+oled_height = 64
+oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)
+#Mqtt
+client = MQTTClient(client_id=b'micropython',
+                    server=b'192.168.1.75',
+                    port=1883,
+                    user=b'brocolis',
+                    password=b'brocolis',
+                    ssl=False)
+
+try:
+    client.connect()
+    print('Connection ok');
+except Exception as e:
+    print('Could not connect to MQTT server {}{}'.format(type(e).__name__, e))
+    sys.exit()
+    
+while True:
+    try:
+        sensor.measure()
+        temp = round(sensor.temperature(),2)
+        hum = round(sensor.humidity(),2)
+        #payload={"temp" : str(temp),"hum" : str(hum)}
+        payload='{"temp" :'+str(temp)+', "hum" :'+str(hum)+'}'
+        client.publish('/capteur/dht22', payload)
+        oled.text(str(hum)+"%", 0, 0)
+        oled.text(str(temp)+"C", 0, 10) # Affichage de la temperature
+        oled.show() # Affiche les valeurs sur l'écran
+        sleep(10)
+        oled.fill(0) # Renitialise l'affichage
+        
+    except OSError as e:
+        print('Failed to read sensor.')
+
+
+
+

code/wifi.py

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+ssid = "PT4ObjConnect" # wifi router name
+pw = "Admin2022" # wifi router password
+import network
+sta_if = network.WLAN(network.STA_IF)
+sta_if.disconnect()
+
+def do_connect():
+    import network
+    sta_if = network.WLAN(network.STA_IF)
+    sta_if.disconnect()
+    if not sta_if.isconnected():
+        print('connecting to network...')
+        sta_if.active(True)
+        sta_if.connect(ssid, pw)
+        while not sta_if.isconnected():
+            pass
+    print('network config:', sta_if.ifconfig())#ip, masque , passerelle, dns
+
+def configure_AP():
+    import network
+    ap = network.WLAN(network.AP_IF)
+    ap.active(True)
+    ap.config(essid='MP115', password='MP115')
+
+do_connect()
+#configure_AP()