➀ The project presents an AI vision assistant camera built around the ESP32-CAM module and OpenAI API, capable of image recognition, OCR, translation, and custom tasks through programmable buttons;

➀ It uses an OLED display for output, captures images via an OV2640 camera, and processes data through cloud-based AI for real-time analysis;

➀ Designed for hobbyists, the device integrates hardware (buttons, buzzer) and software (OpenAI integration) to demonstrate practical applications of vision intelligence in embedded systems.

➀ This article presents a live DIY tutorial for building a multi-use RF relay control system using TX2H-433-64 transmitters and RX2A-433-64 receivers;

➁ It demonstrates interfacing the CD4027 flip-flop IC with relays to enable wireless control of AC appliances and explains practical installation methods;

➂ Targeted at electronics enthusiasts, students, and hobbyists, the guide emphasizes circuit design, RF module operation, and relay applications in automation.

➀ Father-son duo transforms a decommissioned school bus into the Retro Reset Computer Bus, showcasing gaming systems from the 1970s onward;

➁ Features operational vintage tech like Sinclair ZX Spectrum and Commodore 64 alongside DIY hardware components to educate visitors on computing evolution;

➂ Non-profit initiative aims to inspire tech curiosity across UK schools and communities.

➀ Guides users to build a portable Raspberry Pi Zero webcam system using a mobile hotspot for global live streaming and motion detection;

➁ Leverages open-source Motion software for low-resource video processing and ZeroTier VPN for secure internet access without router configurations;

➂ Provides hardware setup instructions and software configuration steps for dual functionality as a surveillance device with timestamped recordings.

➀ Presents a DIY delay-off timer circuit using TLC555 IC for automated appliance control;

➁ Offers selectable preset timing options (5-30 mins) using dedicated push switches;

➂ Details circuitry, components, and applications in home, office, and automotive scenarios to improve energy efficiency

➀ LightLink is a novel system developed by the University of Calgary that enables full customization of commercial smartwatches using visible light communication between the display and external modules, bypassing traditional protocols like Bluetooth.

➁ The platform supports bidirectional data transfer, allowing third-party sensors (e.g., thermometers), actuators, and modules to be added without requiring firmware modifications or manufacturer support.

➂ Demonstrated with eight functional prototypes, LightLink empowers DIY developers and users to extend smartwatch capabilities, potentially fostering a low-cost ecosystem of modular light-based accessories.

➀ The article explains how four-color e-Paper displays work using charged particles in microcapsules, requiring no backlight and retaining images without power.

➀ It demonstrates a DIY project using a 400×168 e-Paper display with ESP32, AHT10 sensor, and RTC, achieving ultra-low power consumption (30 µA in sleep mode) for 2-month battery life.

➂ The project code integrates libraries for graphical control, with applications ranging from smart clocks to IoT signage, highlighting e-Paper's potential in low-power display solutions.

➀ A keyboard enthusiast built a custom 13-inch laptop using Framework 13 components, replacing its membrane keyboard with a low-profile mechanical KL Chalk switch design for superior typing feedback;

➁ The DIY project involved designing a scratch-built aluminum chassis, custom PCB, and rotary dials for volume/brightness control, along with an integrated USB hub (which initially failed);

➂ Demonstrates the potential of modular laptops for extreme customization, though requiring advanced machining and electronics skills.

➀ Tech enthusiast Bitluni recreated a Commodore 64 Datasette using 1993 microcassette tech, achieving 1MB storage per tape (5x original capacity);

➁ Custom PCB design, 3D-printed housing, and signal optimization enabled real-time data transfer at 500bps;

➂ Future plans include USB-C mass storage integration and running C64 emulators directly from tapes.

➀ Step-by-step guide on building a delay-off appliance timer using the TLC555 timer IC;

➁ Explains interfacing with a relay and AC power for real-world applications;

➂ Highlights practical uses in controlling devices like fans and lights with automatic shut-off.

➀ Electronics For You launches Electroons 2.0 in August 2025, featuring humorous engineering-themed comics;

➁ The series creatively addresses AI’s societal impact, engineering challenges, and tech-related humor;

➂ Includes satirical illustrations on topics like "AI-proof careers" and witty takes on circuit design.

➀ Demonstrates a DIY project to build an AC power saver using CD4060 timers and relays for energy efficiency;

➁ Explains circuit interfacing and installation methods to achieve periodic AC shutdowns;

➂ Targets electronics enthusiasts, students, and AC users seeking energy-saving solutions.

➀ The article provides a step-by-step guide to building a timer-controlled doorbell using a CD4060 timer IC and a relay, aimed at managing AC power usage efficiently;

➀ It explains the interface between the CD4060, relay components, and AC circuits, along with practical installation tips for the system;

➁ The project targets DIY enthusiasts, electronics students, AC manufacturers, and users seeking energy-saving solutions.

➀ The Ryzen 7 9800X3D is currently unmatched in gaming performance;

➁ Newegg offers a bundle with the Ryzen 7 9800X3D CPU, X870 AORUS Elite Wi-Fi 7 motherboard, 32GB DDR5 memory, and 1TB SSD for $699;

➂ The CPU alone is worth about $500, making this an excellent deal.

➀ An individual has shared a guide on converting an old HDD into a variable speed disc sander;

➁ The project requires minimal time, tools, and components;

➂ The modified HDD could be used for tasks like sharpening nail scissors or reshaping small wooden utensils.

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➁ The Pimoroni Presto (Retail Edition) is a 'programmable desktop companion' that packages the Presto hardware in retail wrapping;

➂ It features a 4-inch square touchscreen with RGB ambient lighting.

➀ This article provides a comprehensive guide on building the world's smallest AI-powered spy camera.

➁ Readers will learn about Digital Visual Interface (DVI), interfacing a camera with a microcontroller, and designing a multi-stream live-streaming camera.

➂ The article also highlights the integration of AI algorithms for image processing and object detection to enhance the camera's capabilities.

➀ The Asus ROG Strix X870E-E Gaming Wifi is a budget-friendly AM5 motherboard with a variety of features and a premium design.

➁ It offers ample USB Type-A and C ports, 3x PCIe 5.0 M.2 sockets, and AI features like AI Overclocking and AI Cooling II.

➂ The board delivers robust performance and connectivity at a sub-$500 price point, making it a competitive option for gamers and DIY builders.

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 This article introduces a DIY project for building a two-digit counter using a 7-segment display and a 555 timer.

➁ The counter increments from 00 to 99 with each clock pulse and resets after reaching 99, featuring separate control for units and tens digits.

➂ The project explains the circuit design and working principle, involving components like LM555 timer, CD4033 decade counters, and 7-segment displays.