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Donato MaglieSep 18, 2026 • 6 min read
Title: Building an ESP32 Multi-Tool - Part 3: Packet Sniffing, Deauth Detection, and Web Portal
In the previous articles of this series, I covered how I turned an ESP32-S3 into a BadUSB and built....
#esp32#embedded#cybersecurity#programming
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코딩나우(하늘아래)Sep 21, 2026 • 4 min read
No HyperTerminal on Windows 10/11? Free serial terminals and the 4 settings that matter
Old equipment manuals still say "connect with HyperTerminal". On Windows 10 or 11 you won't find it:...
#windows#embedded#arduino#tutorial
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Kevin PanSep 24, 2026 • 6 min read
What I’d Check Before Using an ESP32 to Control a Flow-Through UVC LED System
An ESP32, a flow sensor, a temperature sensor, and a UVC LED driver sound like the ingredients for a...
#esp32#embedded#iot#arduino
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PMAOSOfficialSep 24, 2026 • 6 min read
How Does Call Noise Reduction Work on a Single-Microphone Phone?
On a phone with a single microphone, call noise reduction cannot work the way it does on flagship...
#embedded#audio#hardware#mobile
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UAV GNSSSep 24, 2026 • 5 min read
Ionospheric scintillation: the GNSS failure that arrives after sunset
Sunset, low latitudes, solar maximum: why an RTK fix degrades in the evening, what S4 and sigma-phi ...
#gnss#gps#embedded#robotics
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UAV GNSSSep 21, 2026 • 7 min read
Debugging RTK GNSS integration: ports, baud rates and protocol direction (ArduPilot / PX4)
Why a correctly wired RTK receiver still reports no fix: serial port budgets, baud matching, NMEA/RT...
#gnss#robotics#embedded#uav
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MarcoSep 21, 2026 • 9 min read
Satellite IoT: keeping sensors connected beyond cellular coverage
Satellite IoT beyond cellular coverage: remote sensors for agriculture, infrastructure and logistics...
#iot#embedded#firmware#networking
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CF-DeviceSep 20, 2026 • 2 min read
CAN Bus and J1939 Integration on Rugged Vehicle Tablets: A Practical Guide
Rugged vehicle-mount tablets are only as useful as the data they can read from the machine they're.....
#hardware#iot#embedded#linux
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Raghu BharadwajSep 24, 2026 • 16 min read
Xen, KVM, Jailhouse, QNX: Which Automotive Hypervisor Fits Which Integrity Level
Xen, KVM, Jailhouse or QNX? Which automotive hypervisor fits which integrity level, what each hands ...
#linux#automotive#embedded#safety
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Raghu BharadwajSep 19, 2026 • 7 min read
Boot Confirmation: Who Decides an Update Worked?
A bootloader boot counter catches dead boots; only a userspace check sees a dead application. How to...
#embedded#linux#iot#architecture
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Raghu BharadwajSep 25, 2026 • 9 min read
Why a Watchdog Is Not a Reliability Strategy
A watchdog resets a stuck device but names no fault. What a reliability strategy adds: ordered timeo...
#linux#embedded#kernel#reliability
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Raghu BharadwajSep 25, 2026 • 6 min read
The Danger of Cargo-Cult Engineering: Why a Correct Fix Can Break Your System
Cargo-cult programming is keeping a copied or AI-generated fix without the condition that made it wo...
#linux#embedded#career#ai
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Raghu BharadwajSep 22, 2026 • 9 min read
Kernel & Embedded News: Android Binder Goes Rust-Only in Linux 7.4
The Rust Binder driver replaces Android's C implementation in Linux 7.4. Also: io_uring identity han...
#linux#kernel#embedded#rust
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Raghu BharadwajSep 23, 2026 • 9 min read
What PREEMPT_RT Changes: Sleeping Spinlocks (Part 1)
Under PREEMPT_RT spinlock_t becomes an rtmutex. Sleeping spinlocks explain why _irq does nothing and...
#linux#kernel#embedded#cpp
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beefed.aiSep 19, 2026 • 10 min read
RTOS Task Scheduling and Timing Analysis for ISO 26262
How to design RTOS task models, prioritize tasks and perform WCET and response-time analysis to meet...
#embedded
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fluidwireSep 20, 2026 • 4 min read
Why Solder Melts Lower Than Tin or Lead
Here is a fact that sounds like it should be impossible: solder melts at a lower temperature than...
#hardware#electronics#iot#embedded
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fluidwireSep 22, 2026 • 4 min read
Hamming Code: How Weekend Crashes Invented Error Correction
Every time your laptop reads RAM, an ESP32 pulls a firmware image off flash, or a LoRa sensor packet...
#embedded#iot#electronics#programming
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fluidwireSep 23, 2026 • 4 min read
CAN Bus History: Why Bosch Invented It in 1986
A modern car carries dozens of small computers: one for the engine, one for the brakes, others for.....
#iot#embedded#hardware#electronics
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fluidwireSep 24, 2026 • 3 min read
Modbus: Why a 1979 Protocol Still Runs Industrial IoT
Walk into almost any factory, water treatment plant, or power substation and, somewhere underneath.....
#iot#embedded#hardware#electronics
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fluidwireSep 21, 2026 • 4 min read
Why Wire Gauge Numbers Run Backwards (12 AWG Is Thicker Than 24 AWG)
Every other measurement in electronics gets bigger as the thing gets bigger. Wire gauge does the...
#iot#embedded#hardware#electronics
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