Tutorials

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 …

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 …

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 …

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 …

In this tutorial, we will build a web-based fire alarm system using an ESP32 microcontroller, a flame sensor, a smoke sensor, and Arduino Cloud. This project will provide real-time alerts and allow you to monitor fire-related events remotely via a web interface.

The 1.77" ST7735 TFT LCD is a popular small-sized display, widely used in DIY projects for its vivid colors and compact size. Coupled with the powerful ESP32 microcontroller, it becomes an excellent choice for IoT projects. This tutorial will guide you through the process of interfacing the ST7735 with the …

In this tutorial, we will explore how to configure and use the ADC (Analog-to-Digital Converter) in the STM32F407 microcontroller in scan mode with DMA (Direct Memory Access). This setup is particularly useful when working with multiple analog inputs that need to be converted into digital values efficiently. We will also …