Microcontroller Archives

Reduce the ESP32 Power Consumption in 3 Simple Steps

Reduce the ESP32 Power Consumption in 3 Simple Steps If you want to create a project that runs on battery, you have to make sure that the power consumption of your ESP32 board is as low as possibl ...

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, ESP8266 or ESP32 microcontroller.After we dive into the function ...

Fire Sensor Tutorial for Arduino, ESP8266 and ESP32

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

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 wh ...

Guide to reduce the Arduino Power Consumption

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 m ...

What is the best Battery for the ESP32

What is the best battery for the EPS32? In this article you learn what is the best battery for the ESP32 microcontroller.First I describe the different voltage levels on the NodeMCU board to avoid ...

The best battery for ESP8266 microcontrollers

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 battery discharging curve bus shunt load voltage

INA219 Tutorial for Arduino, ESP8266 and ESP32

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

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

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 ...