Here is a quick guide to build temperature and humidity sensor using Wemos D1 mini development board+Tasmota Firmware, DHT22 sensor, 16x2 LCD screen. 

Tasmota Wemos D1 Mini DHT22 Temp/humidity Sensor


<<Displays temperature /humidity value to LCD and into web page/IP address



Parts You need:


-Wemos D1 Mini

-Breadboard (bigger if You want all parts to fit)

-DHT22 Sensor

-Arduino I2C Backpack

-LCD Screen 16x2

-Micro USB cable

-wiring cables


Flashing Software:


- Tasmota-PyFlasher-1.0


Firmware file:





How to configure Sensors in Tasmota:



How to configure LCD screen:


AND.. Console Commands:


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Planedo Superposition 2 months, 2 weeks ago

Hi Maxicane, try to find chip label LCM1602 IIC from github. ---> Arduino I2C LCD backpag

MaxiCane 3 months ago

Thanks in advance!

MaxiCane 3 months ago

Hi there! Congrats for your proyect. So, I have a question, I can't find the Arduino I2C Backpack in my Fritzing software. How I can install this?