Smart Home and Microcontroller Tutorials and Projects

I am Christopher and on my blog I want to share my knowledge about microcontroller and smart home applications which are most of the time self build.

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MQ2 Gas Sensor Tutorial for Arduino, ESP8266 and ESP32

MQ2 Gas Sensor Tutorial for Arduino, ESP8266 and ESP32 In this tutorial I show you how to use the MQ2 gas sensor with your Arduino,

Fire Sensor Tutorial for Arduino, ESP8266 and ESP32 In this article you learn how to build your own fire alarm that detects a fire inside

SD Card Tutorial for Arduino, ESP8266 and ESP32 In this tutorial you learn how to use the SD card module for your Arduino, ESP8266 and

I2S Sound Tutorial for ESP32 In this tutorial you learn the fundamentals of the I2S communication that is used to transfer digital sound signals and

Guide to reduce the Arduino Power Consumption In this guide I show you 3 hardware and 1 software measure that reduce the energy consumption of

Best Battery for ESP32 NodeMCU In this article you learn what is the best battery to power your ESP32 microcontroller. First I describe the different