IoT

21 Nov 2024

How to Upgrade Firmware of Flipper Zero

Flipper Zero is a versatile multi-tool for geeks in a portable, handheld device. It is designed for pentesters, hackers, and hardware enthusiasts, allowing them to explore the digital world around them. Like any other hardware device, keeping the firmware of your Flipper Zero up-to-date is crucial to ensure optimal performance, security, and access to the latest features. This article will guide you through the process of upgrading the firmware of your Flipper Zero.

8 Nov 2024

Connecting ESP32 with DS18B20 Sensor and Publishing Data Using HTTP POST Request

The ESP32 microcontroller is a powerful and versatile platform for IoT applications, offering built-in Wi-Fi and Bluetooth capabilities. When paired with the DS18B20 temperature sensor, it becomes a robust solution for monitoring environmental conditions. In this article, we’ll explore how to connect the DS18B20 sensor to the ESP32 and publish the temperature data using an HTTP POST request. Components Required ESP32 Development Board: A microcontroller with Wi-Fi and Bluetooth capabilities. DS18B20 Temperature Sensor: A digital temperature sensor with a 1-Wire interface.

8 Nov 2024

Building an ESP32-Based Temperature Sensor Using DS18B20 and Displaying Data on an I2C OLED 128x32 Display

In the world of IoT and embedded systems, the ESP32 microcontroller stands out due to its versatility and powerful features. In this article, we will walk through the process of building a temperature sensor using the DS18B20 sensor and displaying the temperature readings on an I2C OLED 128x32 display. This project is perfect for those looking to get started with IoT projects or wanting to monitor environmental conditions in real-time.

8 Nov 2024

Connecting ESP32 with DS18B20 Sensor and Publishing Data using MQTT Protocol

The Internet of Things (IoT) has revolutionized the way we interact with devices and gather data. One of the most popular microcontrollers for IoT projects is the ESP32, thanks to its built-in Wi-Fi and Bluetooth capabilities. In this article, we’ll explore how to connect an ESP32 to a DS18B20 temperature sensor and publish the temperature data using the MQTT protocol. Components Required ESP32 Development Board: A powerful microcontroller with Wi-Fi and Bluetooth capabilities.

8 Nov 2024

Connecting ESP32 with DS18B20 Sensor and Publishing Data to ThingSpeak

The Internet of Things (IoT) has revolutionized the way we interact with devices, enabling seamless communication and data exchange. In this article, we will explore how to connect an ESP32 microcontroller with a DS18B20 temperature sensor and publish the temperature data to the ThingSpeak cloud service using HTTP. This setup is ideal for remote temperature monitoring applications. Components Required ESP32 Development Board: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.

8 Nov 2024

Using Node-RED to Display Data from ESP32 and DS18B20 Sensor

Node-RED is an open-source flow-based development tool for visual programming, originally developed by IBM for wiring together hardware devices, APIs, and online services as part of the Internet of Things. In this article, we will explore how to use Node-RED to display temperature data from an ESP32 microcontroller connected to a DS18B20 temperature sensor. Prerequisites Before we start, ensure you have the following: ESP32 Development Board: A microcontroller with Wi-Fi and Bluetooth capabilities.

24 Oct 2024

Alternatives to ThingSpeak: Exploring Open Source IoT Data Analytics Platforms

In the rapidly evolving Internet of Things (IoT) ecosystem, the collection, analysis, and visualization of data are essential for deriving actionable insights. ThingSpeak has become a popular choice for developers and hobbyists alike to store and analyze sensor data in the cloud. However, there are various scenarios where you may want to consider alternative platforms, whether due to cost, data privacy, customization, or scalability reasons. In this article, we will explore some notable alternatives to ThingSpeak that are open-source and capable of handling IoT data effectively.

24 Oct 2024

Building a Sensor using ESP32, DS18B20, and RabbitMQ

In the ever-evolving world of Internet of Things (IoT), the ability to gather and transmit data from sensors to a backend system is paramount. In this article, we will explore how to build a temperature sensor using the ESP32 microcontroller, the DS18B20 temperature sensor, and RabbitMQ for messaging. This project demonstrates a practical application of IoT concepts while embracing DevOps practices through effective monitoring and communication. Components Required ESP32 Microcontroller: A low-cost, low-power system-on-chip with integrated Wi-Fi and dual-mode Bluetooth capabilities.

24 Oct 2024

Using ThingSpeak and RabbitMQ to Store Data from Sensors

In an era where IoT devices are proliferating, the need for robust and efficient data handling systems has never been more critical. This article discusses how to leverage ThingSpeak and RabbitMQ as a powerful combination for storing and managing data from sensors in real-time. Overview of ThingSpeak and RabbitMQ ThingSpeak ThingSpeak is an open-source IoT analytics platform service that enables users to collect, store, visualize, and analyze live sensor data in the cloud.

24 Oct 2024

Building a Smart Sensor with ESP32 and DS18B20 for Data Storage

In the world of IoT, creating a smart sensor can be a fun and rewarding project. Today, we will build a temperature sensor using the ESP32 microcontroller and the DS18B20 temperature sensor. We will then explore how to send the collected data to an online service for storage and analysis. This setup is not only great for home automation but can also be adapted for industrial monitoring. Components Required ESP32 Development Board - The main microcontroller that will read temperature data and send it to the cloud.

24 Oct 2024

Using ThingSpeak for Storing IoT Data

In the era of the Internet of Things (IoT), collecting, storing, and analyzing data from connected devices is crucial for gaining insights and driving decision-making. ThingSpeak, a popular open-source IoT platform developed by MathWorks, provides a simple and effective way to store and analyze time-series data. In this article, we’ll explore how to utilize ThingSpeak for managing your IoT data, covering its key features, setup, and API integration tips. Overview of ThingSpeak ThingSpeak is an IoT cloud service that allows users to collect and store data from their embedded devices.

21 Oct 2024

Building Simple Applications with Node.js and MQTT

In the evolving world of Internet of Things (IoT) and real-time applications, MQTT (Message Queuing Telemetry Transport) has emerged as a lightweight messaging protocol that’s perfect for small sensors and mobile devices. In this article, we’ll explore how to develop simple Node.js applications that communicate through an MQTT broker. This will give you a basic understanding of both MQTT and Node.js while allowing you to set up a simple messaging system between two applications.

18 Oct 2024

Connecting IKEA TRÅDFRI to an MQTT Broker

As the Internet of Things (IoT) begins to populate our homes with an increasing number of smart devices, many developers and hobbyists look for ways to integrate these devices into a cohesive environment. One such popular device is the IKEA TRÅDFRI lighting system, which offers wireless and user-friendly smart lighting solutions. In this article, I’ll walk you through the steps to connect IKEA TRÅDFRI lights to an MQTT broker, enabling you to control them programmatically and integrate them with other IoT devices.