microcontroller
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Barely 21 Grams, This Satellite Prototype Tracks the Environment & Motion With ESP32-C3 & Tiny Sensors A tiny satellite prototype weighing just 21 grams is showing how far small-scale electronics can be pushed when size and weight become the main design targets. The compact device, developed as a suborbital satellite prototype, measures only 28 × 28 × 33 mm and packs an ESP32-C3 Mini microcontroller, environmental sensors, an inertial measurement unit (IMU), onboard… |
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This STM32 GPS Device Shows Which Planets Are Above You Offline, Fitting 5 Years of Orbits in 64KB What if a tiny electronic device could look at the sky without a camera or telescope and tell you which planets are currently above the horizon? That is the idea behind Whats Up V2, a compact GPS-based circuit built around an STM32G031K8 microcontroller. The device uses a u-blox SAM-M10Q GPS module to obtain its location and precise UTC time, while nine SK6812-EC20 addressable RGB LEDs provide… |
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How to Build a Smart ESP32 Noise Pollution Monitoring System with IoT Urban areas are now affected by acoustic disturbances; major Indian cities such as Mumbai, Kolkata, and Delhi rank among the noisiest in the world, driven by dense traffic, construction, festivals, and industrial activity. Extended exposure to these noise levels leads to health issues, including disturbed sleep, increased stress, cardiovascular risk, hearing damage,… |
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5 Hidden Features of the Arduino UNO R3 You Probably Didn’t Know The Arduino UNO R3 is often the first board people use to learn electronics and programming. Connect an LED, read a sensor, control a motor, upload a sketch, and it can seem like you’ve already discovered everything the board can do.But there is much more going on underneath.At the heart of the UNO R3 is the ATmega328P microcontroller. That small chip contains hardware features that many… |
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Cat Collar Fits Two AI Models' Runtime Memory Into 48KB of Its 256KB RAM by Never Running Them Together An open source project called Meowtion packs two on device AI models onto a single microcontroller with only 256KB of RAM, using a scheduling trick rather than model compression to make it fit. Built by Jerome Graves and documented on Hackaday.io, the wearable collar tracks a cat's eating, drinking, and resting behaviour to flag early changes that can precede illness. The collar runs on… |
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ESP32-S3 Runs a 28.9-Million-Parameter LLM, Borrowing a Memory Trick From Google's Gemma Developer slvDev has published an open-source project that runs a 28.9-million-parameter language model directly on an ESP32-S3, a microcontroller that costs roughly $8. The model runs entirely on the chip itself, with no data sent to a server, generating text at roughly 9 tokens per second and outputting it to a small connected display. The achievement stands out because of how little working… |
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How to Build an IoT Indoor Weather Station Using CircuitDigest Cloud "Is it going to rain, or should I leave the windows open?" we would have asked ourselves numerous times. Now the weather is clear, but sometimes the rain will suddenly start pouring. The standard weather forecast application may give you accurate forecasts near the airport or other places, which are kilometres away from us, but it will not give us accurate forecasts… |
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EWskills Launches EWsim.io - A Free Browser-Based Circuit Simulator Pune, India — July 2026. EWskills, the Industry focused skill-building platform for electronics and embedded engineers, has announced the launch of EWsim.io, a browser-based mixed-signal circuit simulator that executes microcontroller firmware. The tool is free to use, requires no installation, and is aimed at Engineers, students, educators, hobbyists, and Makers.Developed by the team behind… |
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DIY World Cup Live Score Gadget With football fever reaching its peak, DHK DUDE from youtube built this pocket-sized, real-time World Cup score gadget for his desk. Powered by a Wemos D1 Mini microcontroller, this custom IoT gadget utilizes built-in Wi-Fi to seamlessly connect to the internet, fetching live match telemetry, group fixtures, and team data directly through web APIs. Like every maker… |
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Hot Wheels Meets Embedded Engineering: Inside a 1:64 Scale FPV RC Drift Car A Hot Wheels car has been transformed into a fully functional FPV RC drift platform by YouTuber Pro Know, proving that serious embedded engineering can exist even at a 1:64 scale. The project replaces the toy’s original internals with an ESP-based microcontroller running custom firmware, paired with a purpose-built PCB that integrates control logic, power… |
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Nuvoton Unveils New Cortex-M23 Microcontroller SOC, NSC128L42, for High-Precision Measurement Applications Hsinchu, Taiwan– June 30, 2026 – Nuvoton Technology Corporation, a leading global semiconductor provider, has announced the launch of the NSC128L42, a new 32-bit Arm® Cortex®-M23 microcontroller designed for high-precision measurement. This highly integrated solution combines a 24-bit Sigma-Delta ADC, an LCD driver, and high-quality voice synthesis in a… |
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Every Pixel Has Its Own Microcontroller Imagine a display where every single pixel has its own brain. That's the ambitious idea creator bitluni set out to bring to life in a six-month engineering project. Instead of relying on a central GPU, the display turns every pixel into an independent computing node. The ultimate goal is a 65,536-core QVGA display, while the first working prototype already features 8,192 RISC-V… |
