ESP8266 ESP-01/ESP-01S DHT11 Temperature Humidity WiFi NodeMCU Module for Arduino

via Elecrow
$7.80
SKU EC-ESP82003S

We can get 100 units in Australia from Elecrow. If you order today, we can dispatch this stock between Sep 27, 2020 - Oct 14, 2020.

This module uses ESP8266-01/ ESP-01S as main controller, and the temperature humidity sensor is DHT11. ESP8266 collects the environment temperature and humidity then upload to the server.

This module can be used as a temperature and humidity acquisition for smart home or IOT project.

Features

  • Master: ESP-01/ ESP-01S (the module does not include ESP-O1/ ESP-01S)
  • Temperature and humidity sensor: DHT11

Specifications

  • Working voltage: DC 3.7V-12V (it can be powered by 3.7v lithium battery)
  • Measuring range: 10-90% RH 0-50℃
  • Measuring accuracy: Temperature: ±2℃ Humidity: ±5% RH

Application Examples

1. Power supply: 3.7V-12V DC power supply connected to VCC GND (2.54mm pin)

2. Download the program to ESP-01S

3. Insert ESP-01/ ESP-01S into the 2 * 4 Pin (in the direction of the arrow), show as below:

4. Temperature and humidity sent to another WiFi module, the serial display: show as below:

Package list

  • ESP8266 esp-01/ ESP-01S DHT11 Temperature Humidity Module x 1

Wiki & External links

Manual and techsupport