NodeMCU Projects: Difference between revisions

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 == DHT11 Temp Sensor ==
+Source: [https://github.com/lvidarte/esp8266/wiki/MicroPython:-DHT11 github.com]
 *Use DHT11 Module driectly, Do not use Sensor board with Pull Up resistor.
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 <syntaxhighlight lang="python">
+import time
+from machine import I2C, Pin
+from dht import DHT11
+from esp8266_i2c_lcd import I2cLcd
+d = DHT11(Pin(14))                              # Pin D5
- from machine import Pin
- from dht import DHT11
- d = DHT11(Pin(14))    # Pin D5
+i2c = I2C(scl=Pin(5), sda=Pin(4), freq=400000)  # Pin D1 & D2
+lcd = I2cLcd(i2c, 63, 2, 16)
+while True:
- d.measure()
+  d.measure()
- d.temperature() d.humidity()
+  lcd.putstr("Temp is: " + str(d.temperature()) + "'C \nHum is: " + str(d.humidity()) + "%")
+  time.sleep(10)
+  lcd.clear()
 </syntaxhighlight>