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, ESP8266 or ESP32 microcontroller. After we dive into the functio ...
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 your home. In the first part of the tutorial you learn the ...
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 ESP32 microcontroller board. We create a temperature logger w ...
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 the Arduino microcontroller up to 89%. The following ...
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 voltage levels on the NodeMCU board to avoid m ...
Best Battery for ESP8266 microcontrollers In this article you learn what is the best battery for ESP8266 microcontrollers.We analyze the following batteries for their technical characteristics and ...
INA219 Tutorial for Arduino, ESP8266 and ESP32 The INA219 is a current and voltage sensor that you use with any Arduino, ESP8266 or ESP32 microcontroller.You can measure up to 26 volts and use the ...
Rain Sensor Tutorial for Arduino, ESP8266 and ESP32 In this tutorial you learn how the rain sensor is constructed and how the sensor works. In three different examples we build up the wiring and d ...
Arduino Nextion Display Tutorial In this tutorial you learn everything you need to know about the Nextion displays and the differences in the display series.I show you how to create an interface i ...
Increase the Number of Analog Inputs with an Analog Multiplexer One of the most used micrcontroller in the DIY playground is the ESP8266.The ESP8266 NodeMCU or the WeMos D1 Mini have one mayor dow ...
