In this tutorial, we will learn to interface L298N Motor Driver with ESP8266 NodeMCU. This is an in-depth guide about the L298N motor driver including its specifications, pinout, interfacing with ESP8266 NodeMCU board. Firstly, we will see an example to control DC motors with it. In the end, we will see an example to control … Read more
In this tutorial, we will learn to interface MAX7219 LED Dot matrix display with ESP8266 NodeMCU. Firstly, we will look into the introduction, pinout of MAX7219 LED dot matrix display module. It is an LED array used to display various types of texts, symbols, and images in the form of dots which consists of LEDs. … Read more
In this tutorial, we will learn to interface MAX7219 LED Dot matrix display with ESP32 development board. Firstly, we will look into the introduction, pinout of MAX7219 LED dot matrix display module. It is an LED array used to display various types of texts, symbols, and images in the form of dots which consists of … Read more
This guide focuses on the 4 digit 7 segment display interfacing with ESP8266 NodeMCU using 74HC595 shift register and Arduino IDE. By using the 74HC595 shift register to drive 7-segment displays with our ESP boards, we can save GPIO pins of ESP8266 NodeMCU. First, we will show you some descriptions of 7 segment displays and … Read more
In this tutorial, we will learn to interface KY-023 Joystick module with Arduino. First, we will see some introduction, pinout, and working of the module, After that, we will take a sample Arduino sketch for joystick module to read its state such as x-axis, y-axis, etc. In other words, we will read 2-axis motion. Additionally, … Read more
This guide focuses on the 4 digit 7 segment display and its interfacing with ESP32 using 74HC595 shift register. By using the 74HC595 shift register to drive 7-segment displays with our ESP boards, we can save GPIO pins of ESP32. First, we will show you some descriptions of 7 segment displays and 74HC595 IC and … Read more
In this project, we will build an IoT based fire detection project using an Infrared flame sensor and ESP32 with an email alert feature. Our fire detection project will be linked with the IFTTT web service to generate an email alert to notify users whenever a fire is detected. The user will get an update … Read more
In this tutorial, we will learn how how to use ADC (analog to digital converter) module of ESP32 development board with Arduino IDE. Furthermore, We will learn to measure analog voltage with ESP32 ADC channels. Recommended Components The following components are used in this project or are helpful for building it with the ESP32. Component … Read more
In this ESP32 tutorial, we will learn how to configure and use external interrupts with ESP32 GPIO pins in Arduino IDE. We will demonstrate this through an example with a push button and an LED. Additionally, we will also show you how to measure ESP32 interrupt latency via an oscilloscope measurement. Recommended Components The following … Read more
In this tutorial, we will learn how about KY-038 microphone sound sensor module and how to interface it with Arduino. We will show you its pinout and features along with its connection diagrams with Arduino. With the help of two Arduino sketches, we will be able to create a sound detection project whereby a clap … Read more