The best battery for ESP8266 microcontrollers

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Best Battery for ESP8266 microcontroller In this article you learn what is the best battery for the ESP8266 microcontroller. First I describe the different voltage levels on the ESP8266 board to avoid magic smoke and a damage of the microcontroller. On top of all this content, you learn which batteries need a voltage regulator and … Read more

INA219 Tutorial for Arduino, ESP8266 and ESP32

INA219 battery discharging curve bus shunt load voltage

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 I2C communication to transfer data to the microcontroller. In this tutorial I use the INA219 to measure the discharging curve … Read more

Arduino Nextion Display Tutorial

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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 in the Nextion Editor and how to use the internal programming functions. This article also contains a basic example to learn the … Read more

Shift Register Tutorial for Arduino, ESP8266 and ESP32

Arduino PISO and SIPO shift register

Shift Register Tutorial for Arduino, ESP8266 and ESP32 Do you know how to increase the number of digital pins for your microcontroller? With a shift register it is easy to add more digital inputs and outputs to your Arduino, ESP8266 and ESP32 micrcocontroller. Learn in this article: Different configurations of shift register What is the … Read more

Keypad Tutorial for Arduino, ESP8266 and ESP32

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Keypad Tutorial for Arduino, ESP8266 and ESP32 In this tutorial you learn how to use the keypad with your Arduino, ESP8266 and also ESP32 microcontroller. The Keypad is one of the most used input devices for Arduino applications. In this tutorial we build a lock which opens when we type in the correct password. There … Read more

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- Ranking of 14 Arduino, ESP8266 and ESP32 boards

- Comparison of the Power Consumption of all Boards

- Detailed Datasheet Information and Pinouts