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Curated developer articles, tutorials, and guides — auto-updated hourly
Kernel notes (sunshout)6d ago • 2 min read
Pi Zero + MPU-9250: empty i2cdetect is a 3.3V problem, not a Python library
I keep seeing Pi Zero + MPU-9250 threads where SDA/SCL look right and i2cdetect is empty — or the...
#raspberrypi#python#i2c#embedded
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Raghu Bharadwaj4d ago • 11 min read
The State of Automotive Grade Linux in 2026: Which Release to Build
The state of Automotive Grade Linux in 2026: three release series, three Yocto baselines, and how to...
#linux#automotive#embedded#yocto
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Raghu BharadwajAug 22, 2026 • 7 min read
In-Tree vs Out-of-Tree Driver: Where Your Code Should Live
In-tree vs out-of-tree driver: why upstreaming hardware you own usually costs less over a product li...
#linux#kernel#embedded#yocto
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Raghu Bharadwaj5d ago • 14 min read
systemd vs BusyBox init: Which Init System Fits Your Device?
systemd vs BusyBox init for embedded Linux: what each one costs in size, dependencies and kernel ver...
#linux#embedded#yocto#architecture
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Matt Howard6d ago • 4 min read
Driving an Undocumented 3nm ASIC with an ESP32: Inside the First Sub-10 J/TH Open-Source Bitcoin Miner
Next week we ship the Bitaxe Naja Duo, and the spec that matters is 9.5 joules per terahash at stock...
#opensource#embedded#hardware#bitcoin
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Marco6d ago • 10 min read
CAN XL: what changes for robots, HMIs and industrial machines
TI has introduced the first commercially available CAN XL transceiver. With frames up to 2,048 bytes...
#embedded#robotics#industrial#networking
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Raghu BharadwajAug 23, 2026 • 7 min read
Buildroot for Embedded Linux — Part 1: Your First Buildroot Root Filesystem
Build your first Buildroot root filesystem for ARM and boot it under QEMU. Part 1 of a hands-on Buil...
#linux#embedded#buildroot#tutorial
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Raghu Bharadwaj3d ago • 10 min read
Inherited a Vendor BSP? Measure These Five Things First
Inherited a vendor BSP? Five measurements — runtime config, mainline delta, external modules, booted...
#linux#embedded#kernel#yocto
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Divyakush PunjabiAug 22, 2026 • 2 min read
Real-time computer vision on a $6 chip
Autonomous person-tracking on an ESP32-CAM. Why constrained hardware forces better engineering than ...
#computervision#iot#edgeai#embedded
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Divyakush PunjabiAug 23, 2026 • 2 min read
When logic belongs in hardware: determinism and parallelism on an FPGA
Software fakes concurrency and an OS hiccup jitters your timing. For hard real-time control, describ...
#hardware#fpga#embedded#engineering
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Divyakush PunjabiAug 23, 2026 • 2 min read
The overlooked use of LLMs: a translator between humans and hardware
Humans speak in intent; hardware needs exact commands. The LLM's real job here is parsing fuzzy lang...
#ai#iot#llm#embedded
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Josef Lejsek6d ago • 2 min read
I Wasted 3 Weekends Fighting EDA Installers — Until I Found This No-Download Workaround
👇 Quick poll at the end: How many hours have you wasted troubleshooting EDA installers? Drop your.....
#hardwareengineering#opensource#sideprojects#embedded
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Ksenia RudnevaAug 22, 2026 • 13 min read
Bypassing Secure Boot: Addressing Vulnerabilities in Embedded Systems Without Cryptographic Techniques
Introduction Secure boot mechanisms serve as the foundational security layer in embedded...
#security#embedded#vulnerabilities#bypass
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Mariusz JurgielewiczAug 24, 2026 • 6 min read
Your E-Paper Panel Isn't Broken: How Retained State Makes Drivers Look Buggy
An interrupted refresh leaves the controller latched busy, and a hardware reset won't clear it. Four...
#rust#embedded#debugging#hardware
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AbeMarknAug 23, 2026 • 3 min read
Automated Hardware Testing on Raspberry Pi Pico - Testing ePaper with a Test Jig, Camera, and Gemini API
How I automated physical button presses and ePaper visual validation on Raspberry Pi Pico using a cu...
#raspberrypi#python#embedded#ai
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beefed.aiAug 24, 2026 • 9 min read
Secure, Fail-Safe OTA Firmware Architecture for Constrained Devices
Design OTA updates that are secure, atomic, resumable and power-aware: delta updates, signing, encry...
#embedded
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Raghu BharadwajAug 22, 2026 • 12 min read
Linux Kernel CVEs: What to Patch by Device (16 – 22 Aug 2026)
6 Linux kernel CVEs (16-22 Aug 2026) with the minimum safe version per branch - including CVE-2026-7...
#linux#kernel#security#embedded
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Raghu Bharadwaj6d ago • 8 min read
Linux 7.3: AF_ALG Restricted by Default, YOLOX on Etnaviv
Linux 7.3 turns on AF_ALG restriction by default, Intel proposes DRM Fabric for accelerators, and YO...
#linux#kernel#embedded#riscv
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Raghu BharadwajAug 24, 2026 • 10 min read
Kernel Cleanup Helpers: What Your LTS Actually Has
The core cleanup helpers are in every supported LTS. Everything built on top of them arrived at poin...
#linux#kernel#embedded#c
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Raghu Bharadwaj5d ago • 19 min read
Why the Inference Process Keeps Growing After It Starts
To the kernel, an edge model is two mappings: a reclaimable file-backed one and a tensor arena that ...
#linux#embedded#machinelearning#performance
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Raghu Bharadwaj6d ago • 13 min read
Linux genpd Power Domains: Why a Rail Won’t Power Off?
How genpd power domains decide to cut power in the Linux kernel: the checks in genpd_power_off(), th...
#linux#kernel#embedded#drivers
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Shamyl Bin MansoorAug 24, 2026 • 6 min read
When Espressif Built an AI Agent Framework for the ESP32: ESP-Claw and the Edge AI Education Frontier
The $4 Chip That Runs an AI Agent Espressif just shipped something that would have sounded...
#esp32#ai#edtech#embedded
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fluidwire5d ago • 3 min read
Why Is It Called Bluetooth? A Viking King Named It
Bluetooth is named after a Viking king. Not a metaphor, not a backronym — an actual 10th-century...
#iot#embedded#hardware#electronics
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fluidwireAug 22, 2026 • 3 min read
Why Electricity Flows Backwards: Franklin's 50/50 Guess
Here is a fact that quietly sits underneath every schematic, datasheet and PCB you will ever work on...
#electronics#hardware#iot#embedded
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