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 user guide, we will control the output of ESP8266 NodeMCU using the Blynk app and Arduino IDE. Firstly, we will set up the Blynk app library in Arduino IDE. After that, we will see how to create the LED ON/OFF button in Blynk app. Lastly, we will see an example sketch for ESP8266 … Read more
In this tutorial, we will learn how to use GPIO pins of ESP8266 NodeMCU module as output pins as well as input pins. Accordingly, we will also show how to interface an LED controlled via a push button with the ESP8266 board. We will be reading the value from the Push Button and lighting up … Read more
This tutorial is a guide to AI thinker ESP32-CAM development board. We will discuss pinout, features, and specifications and see how to get started with ESP32- CAM development board. Recommended Components The following parts are used in this article, along with a generic electronics kit that is handy for building and testing the circuit. Component … Read more
Learn how to use a push button with the STM32F4 Discovery Board to control onboard LEDs. Step-by-step guide covering pull-up/pull-down resistors, HAL_GPIO_ReadPin, digital input configuration, and troubleshooting on the STM32F407VGT6 in Keil uvision.
Learn STM32F4 Discovery Board LED blinking step by step using GPIO pins, HAL library, and Keil uvision IDE. Complete tutorial with wiring, code, and troubleshooting for the STM32F407VGT6 microcontroller.
This tutorial focuses on the pinout of the ESP32 development board, specifically the ESP32 devkit that incorporates the ESP-WROOM-32 module. While various versions of the ESP32 chip exist in the market, the ESP32 devkit utilizes the ESP-WROOM-32 module. Fortunately, the functionality of all GPIO pins remains consistent across all ESP32 development boards. Many people are … Read more
In this tutorial, we will learn how to use the input and output ports of the 8051 microcontroller. The 8051 microcontroller has 40 pins, comprising four I/O ports. The microcontroller uses 8 pins for specific purposes, while 32 pins are configurable as input and output pins to connect the microcontroller with peripheral devices. Each port … Read more
In this tutorial, we will learn how to use GPIO pins of Pic microcontroller. We will see how to configure general purpose pins either as a digital input and digital output. For demonstration, we will use PIC18F452 microcontroller but you can also any other Microchip microcontroller also. Recommended Components The following components are used in … Read more
This is the third tutorial in a series of tutorials on Arduino. In the last tutorial, we have seen. How to use Arduino digital pins as an output. In this tutorial, we will see how to use digital pins of Arduino as input but you should have a concept of using digital pins of Arduino … Read more