➀ This tutorial explains how to install and manage multiple ESP32 board package versions in Arduino IDE for project compatibility and version testing;
➀ It details steps including adding custom board URLs, renaming package instances, and verifying installations to switch between versions seamlessly;
➁ The method avoids conflicts between legacy and updated code by enabling selective version usage via the Tools menu without reinstallation.
➀ This article introduces an IoT Security System leveraging AES (Advanced Encryption Standard) to protect sensitive data from unauthorized access, focusing on AES-256 encryption and decryption.
➁ It provides a detailed explanation of how AES works, including key expansion, SubBytes, ShiftRows, MixColumns, and AddRoundKey processes.
➂ The project includes both a standalone AES-256 encryption demo and an IoT sender-receiver system with a web UI for encrypted data transmission, demonstrating practical implementation of AES in IoT applications.
➀ This article provides a detailed guide on building an electronic dice using an ESP32 microcontroller, complete with a rolling effect and LED representation of dice faces.
➁ The project involves integrating various ICs like 74LS138, 74LS260, and CD4075 to handle logic operations and decoding functions for dice faces.
➂ The guide includes a bill of materials, circuit diagram, and sample code snippets for implementation in Arduino IDE, making it accessible for beginners and hobbyists interested in DIY electronics projects.
➀ A compact Wi-Fi-based camera project using IndusBoard Coin V2 and OV2640 camera module was introduced. It is capable of live video streaming and is suitable for home security, baby monitoring, and discreet surveillance applications.
➁ The project utilizes the Wi-Fi capabilities of IndusBoard Coin V2 to host a web server for streaming real-time video. The OV2640 camera captures images and transmits them in multiple pixel formats.
➂ The camera operates in AP mode, creating its own Wi-Fi network for portability and independence from existing networks. The Bill of Materials and circuit details are provided along with source code for implementation.
➀ A hidden feature in ESP32 microcontrollers, widely used in IoT devices, poses potential security risks including device spoofing, data theft, and malware installation.
➁ This vulnerability stems from the undocumented commands in the Bluetooth Host Controller Interface (HCI) protocol, which could allow attackers to bypass standard security checks and compromise critical systems.
➂ Recommendations to mitigate risks include auditing firmware, disabling unused Bluetooth services, ensuring secure firmware updates, and implementing strong authentication mechanisms.
➀ This article presents a smart home automation system that allows users to wirelessly control multiple AC appliances like lights and fans via a web interface hosted on the IndusBoard Coin development board.
➁ The system supports both Wi-Fi Access Point (AP) mode and Station (STA) mode, enabling direct connection or integration into existing home networks.
➂ The solution uses PWM signals for fan speed control and relays for switching appliances, offering scalability up to 30+ GPIO pins for additional devices.
➀ Espressif宣布其ESP32-C6 RISC-V MCU获得PSA Level 2认证；
➁ 该认证符合即将实施的法规，包括欧盟的网络安全韧性法案、美国网络安全改进法案、欧盟无线电设备指令和英国产品安全和电信基础设施制度；
➂ ESP32-C6的安全特性包括物理内存保护、内存隔离和权限管理、板载私钥生成、安全启动、闪存加密、AES、SHA、RSA和ECC的硬件加速器以及安全的JTAG模式。
➀ This article introduces the smallest IoT-enabled RGB LED Controller built using the IndusBoard Coin V2 and a WS2812B NeoPixel LED ring.
➁ Key features include web-based control, custom animations, scalable design, and fine-tuned control capabilities.
➂ The controller can be used for smart home lighting, interactive displays, wearable tech, and art installations. The project details include a bill of materials, circuit design, and step-by-step instructions for setting up the IoT RGB LED Controller.
➀ Rajguru Electronics has introduced the ADIY NodeMCU ESP32, a versatile board designed for all IoT needs.;
➁ The board features dual cores, built-in Wi-Fi, Bluetooth, and numerous GPIO pins, making it suitable for various projects like smart coffee machines and voice-controlled lights.;
➂ It supports a wide range of applications including smart home systems, agriculture, industrial automation, healthcare, and consumer electronics.
