MicroPython Temperature Sensor for the NodeMCU ESP8266.

temp_sensor.py

from machine import ADC

adc = ADC(0)  # assign to the analog to digital 0 pin

adc.read()  # returns TMP 36 value


def temp(value):
    return value/10


def fahrenheit(celsius):
    return (celsius * (9/5)) + 32


reading = adc.read()

celsius_temp = temp(reading)

fahrenheit_temp = fahrenheit(celsius_temp)

print("TMP36 reading {}\nDegrees Celsius{}\nDegrees Fahrenheit {}".format(
    reading, celsius_temp, fahrenheit_temp))