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How to Make Arduino Game Controller - Step-by-Step Guide Stressful day? Deadlines, noise, overthinking, endless scrolling… sometimes the best thing you can do is pause everything and play a game. Games have always been more than just entertainment; they refresh the mind, shift our focus, and quietly reset our mood. When we play, stress doesn’t just reduce… it bursts. And let’s be honest, gaming isn’t just for kids anymore… |
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A DIY Bluetooth Speaker That is Smaller Than an Earbud Shrinking consumer electronics to their practical limits is a recurring theme in the DIY hardware space, and a recent project from the YouTube channel Gadget Industry takes that idea to an impressive extreme. The build centers on a Bluetooth speaker so small it undercuts the size of a single AirPods earbud, yet still manages to function like a conventional portable speaker. At the core of the… |
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An Embedded AI Project Aimed at Easing Night-Time Baby Feeding Late-night infant care often leaves little room for precise or repeatable routines, which makes even simple tasks feel demanding. Addressing this reality, Manivannan has created a DIY edge-AI system that automatically starts a bottle preparation machine when a baby’s cry is detected. The project, shared through his YouTube channel MakeTinyML, focuses on augmenting an existing appliance rather… |
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IOT Based Smart Energy Meter With SMS Alert Ever thought about how you could monitor the household energy usage of your home remotely without heavy hardware or a complex setup? To make this idea practical, we came up with this project: an IoT based Smart Energy Meter using MQTT with SMS alert. Using the PZEM-004T sensor with ESP32, this smart energy meter using IoT provides real-time tracking of voltage… |
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DHRUV64 Debuts as India’s First Indigenous 1.0 GHz 64-bit Dual-Core Processor India has marked an important step in its semiconductor roadmap with the launch of DHRUV64, the country’s first fully indigenous 1.0 GHz, 64-bit dual-core microprocessor. Developed by the Centre for Development of Advanced Computing (C-DAC) under the Microprocessor Development Programme, DHRUV64 is designed to serve both strategic and commercial needs. The processor is part of India’s broader… |
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Build a GPS Tracker with Seeed Studio XIAO ESP32-S3 and Geofencing This project involves creating your own GPS tracker using the Xiao-ESP32-S3 microcontroller. Usually, making a GPS tracker needs extra parts like a SIM card, a GSM module, and other communication tools to send location data to a phone or computer. Building a GPS tracker with Seeed Studio XIAO has never been easier. But that’s not an issue anymore. At Circuit Digest,… |
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Custom Quad-Rotor Drone Hitting 605 km/h Sets Unofficial World Record The Drone Pro Hub team recorded their drone reaching a top speed of 605 km/h. The feat was the outcome of an 18-month effort headed by FPV specialist Benjamin Biggs. The quad-rotor drone, mounted on a base for take-off, featured onboard GPS telemetry that allowed speed monitoring. While not recognized as an official record, they tested the right way and calculated the average speed of… |
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Build a Precision Digital Micro Current Meter with STM32 Keeping track of extremely low current levels is often essential when developing or testing low-power devices, especially in the field of embedded systems and battery-operated electronics. For battery-related diagnostics or energy-storage testing, the Building a Lithium Cell Capacity Tester tutorial offers a practical method for measuring cell performance over time.… |
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Build an Arduino Dual Axis Solar Tracker System Fossil fuels have been consumed rapidly over recent decades, and their availability is decreasing. Because of this, there is a growing focus on renewable energy sources. Solar energy is one of the most reliable options since sunlight is available throughout the day. Solar panels absorb solar radiation and transform it into electrical energy. The intensity and angle… |
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ESP32 Offline Voice Recognition Using Edge Impulse Voice recognition is becoming an essential part of the Internet of Things (IoT), allowing us to control, monitor, and interact with devices hands-free. At its core, ESP32 speech to text works by capturing audio through a microphone, processing it, and converting it into text that devices can understand. This text is then used to trigger commands, just like how… |
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CircuitDigest’s Smart Home & Wearables Project Contest 2025 Is Now Open CircuitDigest’s Smart Home & Wearables Project Contest 2025, sponsored by DigiKey, is now live. The theme of this year’s contest is easy to infer from the title. We are shifting the focus from last year’s well-received IoT and Edge AI Design Contest to projects that transform everyday living with intelligence, safety, and connectivity. Engineers, makers, students, and… |
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How to Use Height Hold Mode in LiteWing ESP32 Drone? Flying a drone manually requires constant attention to throttle control. One moment of distraction and your drone either crashes into the ground or flies away into the ceiling. If you're building your LiteWing from scratch, check out our detailed step-by-step LiteWing assembly guide to get started with your build. This is where Drone height hold mode becomes a… |
