In a previous instructable, I presented a step by step guide to get started with the ESP8266 nodeMCU and the AskSensors IoT platform.

In this tutorial, I'm connecting a DHT11 sensor to the node MCU. The DHT11 is a commonly used Temperature and humidity sensor for prototypes monitoring the ambient temperature and humidity of a given area.

The sensor can measure temperature from 0°C to 50°C with an accuracy of ±2°C and humidity from 20% to 90% with an accuracy of ±5% RH.

DHT11 Specifications: