Nerokas Blog

This article is a complete guide for the ESP32 Deep Sleep mode with Arduino IDE. We’ll show you how to put the ESP32 into deep sleep and take a look at different modes to wake it up: timer wake up, touch wake up, and external wake up. This guide provides practical examples with code, code explanation, and schematics.Related Content: ESP8266 Deep Sl..

ESP32 Web Server – Arduino IDEIn this project you’ll create a standalone web server with an ESP32 that controls outputs (two LEDs) using the Arduino IDE programming environment. The web server is mobile responsive and can be accessed with any device that as a browser on the local network. We’ll show you how to create the web server and how the code..

How to Set an ESP32 Access Point (AP) for Web ServerThe ESP32 can act as a Wi-Fi station, as an access point, or both. In this tutorial we’ll show you how to set the ESP32 as an access point using Arduino IDE.In most projects with the ESP32, we connect the ESP32 to a wireless router (see our ESP32 web server tutorial). This way we can access the ES..

ESP32-CAM Connect External Antenna (Extend Wi-Fi Coverage)The ESP32-CAM comes with an on-board Wi-Fi antenna, but it also has an IPEX connector if you want to use an external antenna. Using an external antenna can solve problems related with slow video streaming web servers and other connectivity problems. This tutorial shows how to use an external..

The ESP32-CAM AI-Thinker development board can be programmed using Arduino IDE. This guide shows how to program and upload code to the ESP32-CAM (AI-Thinker) development board using Arduino IDE.The ESP32-CAM AI-Thinker module is an ESP32 development board with an OV2640 camera, microSD card support, on-board flash lamp and several GPIOs to connect ..

ESP32 Pinout Reference: Which GPIO pins should you use?The ESP32 chip comes with 48 pins with multiple functions. Not all pins are exposed in all ESP32 development boards, and some pins cannot be used.There are many questions on how to use the ESP32 GPIOs. What pins should you use? What pins should you avoid using in your projects? This post aims t..

The ESP32-CAM is a development board with an ESP32-S chip, an OV2640 camera, microSD card slot and several GPIOs to connect peripherals. In this guide, we’ll take a look at the ESP32-CAM GPIOs and how to use them.Pinout DiagramThe following image shows the pinout diagram for the ESP32-CAM AI-Thinker.Schematic DiagramThe following figure shows the s..

ESP32-CAM Take Photo and Display in Web ServerLearn how to build a web server with the ESP32-CAM board that allows you to send a command to take a photo and visualize the latest captured photo in your browser saved in SPIFFS. We also added the option to rotate the image if necessary.We have other ESP32-CAM projects in our blog that you might like. ..

ESP32-CAM PIR Motion Detector with Photo Capture (saves to microSD card)In this project, we’re going to make a motion sensor detector with photo capture using an ESP32-CAM. When your PIR sensor detects motion, it wakes up, takes a photo and saves it in the microSD card.This project is very similar with a previous one, but after so many requests, we..

ESP32-CAM Take Photo and Save to MicroSD CardLearn how to take photos with the ESP32-CAM board and save them to a microSD card using Arduino IDE. When you press the ESP32-CAM RESET button, it wakes up, takes a photo and saves it in the microSD card.We’ll be using the ESP32-CAM board labelled as AI-Thinker module, but other modules should also work ..

ESP32-CAM Troubleshooting Guide: Most Common Problems FixedAfter releasing some projects with the ESP32-CAM, some readers reported issues when trying to use the ESP32-CAM. This guide is a compilation with the most common errors when using the ESP32-CAM and how to fix them.We’ve released the following projects with the ESP32-CAM:Video Streaming, Fac..

ESP32-CAM Video Streaming Web Server (works with Home Assistant)In this project we’re going to build an IP surveillance camera with the ESP32-CAM board. The ESP32 camera is going to host a video streaming web server that you can access with any device in your network.You can integrate this video streaming web server with popular home automation pla..

ESP32-CAM Video Streaming and Face Recognition with Arduino IDEThis article is a quick getting started guide for the ESP32-CAM board. We’ll show you how to setup a video streaming web server with face recognition and detection in less than 5 minutes with Arduino IDE.Note: in this tutorial we use the example from the arduino-esp32 library. This tuto..

Written by Nerokas Online TeamIntroductionTemperature measurement devices, including thermometers and sensors, are ubiquitous across numerous sectors. As science and technology have progressed, an array of innovative methods and sensors have emerged for accurate temperature measurement. These devices find applications in diverse environments such a..

ESP32-CAM Video Streaming and Face Recognition with Arduino IDEIntroductionWelcome to our step-by-step tutorial on ESP32CAM! Are you curious about the exciting world of the Internet of Things (IoT) and eager to level up your video skills? In this comprehensive tutorial, we’ll get to know the ESP32CAM module. Whether you’re a tech enthusiast, a stud..

Learners! Today, we're about to embark on an exciting journey into the realm of flashing firmware to an ESP8266-01 and connecting it to Blynk using the ESP8266-01 as an Arduino WiFi shield. This tutorial will serve as your guide, and I'll be your teacher, leading you through each step of the process.Hardware Needed:Arduino Uno/MegaJumper wiresUSB A..

Choosing an LED ResistorUnderstanding the intricacies of LED circuits and the significance of selecting the right resistor is essential for both beginners and seasoned electronics enthusiasts alike. In this comprehensive guide, we will delve deep into the world of LEDs, exploring their fundamental properties, the role of resistors, and the appl..

Complete guide to assembly, parts, modeling, and code for robotics with ArduinoThe objective of this article is to discuss the assembly of a small-sized car-shaped robot using electronic components, 3D and 2D modeling of the chassis and parts, and Arduino programming. This development product allows for attachment of sensors, such as a sonar sensor..

OverviewMost people reading this article are probably familiar with Arduino or at least have heard the name. In this article, we try to introduce this platform in more details and study it from a critical point of view. Furthermore, we will point out the features we have come to discover in our experiences that have not been appropriately addressed..

Based on ESP32 Camera & DFPlayer Mini with Home Assistant and ESPHomeThis has been a long running project to create a cloudless video doorbell with notifications & voice responses. It was important to me that the doorbell itself looked as professional as possible.FeaturesClick for DOORBELL DEMO VIDEOPlays audible ("ding dong") and visual (blinking ..