The 555 Timer Is the Best-Selling Chip Ever Made
Ask someone to name the most important chip ever made and they will reach for a processor: an Intel CPU, an ARM core, maybe the microcontroller inside…
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How Hedy Lamarr Invented Wireless Frequency Hopping
Ask most engineers who laid the groundwork for modern wireless and you will hear names like Marconi, Shannon, or the committees behind the IEEE 802.11…
Wi-Fi Doesn't Stand for Wireless Fidelity
Ask almost any engineer what "Wi-Fi" stands for and you'll hear the same answer: "Wireless Fidelity." It is one of the most repeated facts in tech, it…
Why EIA-96 SMD Resistor Codes Don't Match Their Resistance Values
The first time I encountered an EIA-96 resistor , I assumed the marking would tell me the resistance value directly. I was troubleshooting a PCB and f…
Why Arduino Is Named After a Bar in Italy
Ask a roomful of engineers where the name "Arduino" comes from and you will get confident answers about acronyms, Italian for "bold friend," or some c…
Bluetooth is named after a Viking king - and the story is a lesson in interoperability
Pick up almost any connected product — a fitness band, a smart lock, a set of wireless earbuds, an industrial sensor reporting to a phone — and somewh…
One-Second BLE Pairing: UX and Security Best Practices
Why the One-Second Pair Is the UX North Star Choosing Pairing Modes with Speed and Security in Mind Advertising and Scanning Patterns for Instant Disc…
Power Management Strategies for Battery-Powered Edge AI Devices
[Set a precise power budget and measurable KPIs] [Engineer the power stage: PMICs, buck/boost converters and DVFS] [Implement firmware patterns to min…
When Soldering Doesn't Fix It: Swap the MCU
A hardware-debugging technique that uses your portable firmware codebase as the diagnostic tool. Plus the deeper bug it exposed once I got past the ha…
Serial Terminal: кастомный веб-терминал для последовательного порта на Web Serial API
Полностью браузерный терминал для работы с последовательными портами (COM-портами). Приложение не требует установки, работает прямо в Chrome или Edge,…
Post-quantum cryptography for embedded and IoT: secure boot, TLS and OTA
Post-quantum cryptography is no longer just a research topic. It is starting to affect the way embedded teams design TLS, secure boot, OTA, firmware s…
Secure Firmware Updates with a Secure Element: Building Trust Into the Bootloader
Imagine your embedded device is deployed somewhere in the field - a smart meter, an industrial sensor, a vehicle ECU. You find a critical bug. You pus…
FUKUSHIMA UAV Complete FAQ - 29 Questions on Hardware, GCS, and AI
FUKUSHIMA UAV: The Complete FAQ A reference guide to the FUKUSHIMA UAV product family — flight controllers, browser-based GCS, AI detection capabiliti…
Anti-Jamming Flight Controllers Compared - ArduPilot Options for EW Environments (2026)
Anti-Jamming Flight Controllers Compared: ArduPilot Options for EW Environments in 2026 Most flight controllers stop working the moment GPS spoofing o…
Как я превратил смартфон в Modbus-RTU терминал для RS-485
О себе: бэк-энд разработчик java/kotlin и немножко go, собственно вот профиль . Работаю программистом я немного более трёх лет. До этого более 10 лет …
Anomaly detection on ESP32 with 24 bytes of RAM — no cloud, no malloc
The core idea: Welford's online algorithm The standard way to compute mean and standard deviation requires storing all samples first, then doing two p…