The BH1750 is a digital light intensity sensor capable of measuring light in lux (lumens per square meter). Its high resolution and ease of use make it an excellent choice for projects that require accurate light measurement. In this tutorial, we will explore how the BH1750 works, how to calculate …

Interrupts are powerful features in microcontrollers that allow them to respond to events efficiently. The 8051 microcontroller supports several types of interrupts, enabling it to handle multiple tasks concurrently. In this tutorial, we’ll explore how to use interrupts in the 8051, including their configuration and usage, complete with an example …

Timers are among the most essential peripherals in any microcontroller, and the 8051 is no exception. With two built-in 16-bit timers (Timer 0 and Timer 1), the 8051 can perform a variety of timing tasks, such as creating delays, measuring time intervals, and generating pulses. In this tutorial, we’ll discuss …

The ESP32 is a powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities, making it a favorite for IoT applications. One of its standout features is the ability to store files using the SPIFFS (SPI Flash File System). This tutorial will show you how to set up SPIFFS on the ESP32 …

In this tutorial, we will build a simple yet powerful data logger using the ESP32 microcontroller. The device will: Read temperature data using a sensor (e.g., DS18B20 or DHT11/22). Store the data on an SD card. Provide real-time monitoring via a web server using WebSockets.

The ESP32, a popular microcontroller, features an internal temperature sensor. While primarily intended for monitoring the chip's temperature rather than ambient conditions, it can still be useful in certain applications, such as monitoring device performance or debugging. This tutorial will walk you through how to use the ESP32 internal temperature …

The Arduino UNO R4 WiFi has a vibrant 12x8 LED matrix for creating visual patterns, animations, and more. To help you design and implement custom patterns for the LED matrix, we’ve developed a tool that simplifies the process.

A rotary encoder is a versatile device often used as an input knob to control volume, scroll menus, or adjust values. It can detect rotation direction and the amount of rotation, making it perfect for Raspberry Pi projects.

The ESP32-C3 is a standout microcontroller in the ESP32 series, developed by Espressif Systems, designed to offer low power consumption, enhanced security, and wireless connectivity. Built with a RISC-V core, this chip is gaining popularity among developers looking for a cost-effective yet robust solution for IoT applications. Let’s dive into …

This tutorial guides you through building a heart rate sensor project using an ESP32 and a MAX30102 breakout board. The heart rate data is dynamically displayed on a web page hosted locally by the ESP32, enabling real-time updates without the need to refresh the page. Devices connected to the same …