DC Current Sensing Circuits: Analysis and Applications

Overview of DC current sensing: low-side and high-side shunt measurement, integrated meters (INA229), and Hall-effect sensors, with accuracy, applications, and trade-offs.

RF Power Amplifiers in Textile Composite Research

Nonlinear ultrasonic evaluation of porosity in RTM textile composites: methods, pulse?train excitation, transducer selection, FFT harmonic analysis and system design.

Mercedes E260L Air Quality Sensor Failure Diagnosed

Diagnostic case of a Mercedes E260L where LIN bus oscilloscope decoding pinpointed a failed in-cabin particulate sensor (B31/4) causing PM2.5 display loss; sensor replaced.

DIY Infrared Thermal Camera Using ESP32

DIY thermal camera using ESP32 and MLX90640: 32x24 IR sensor, 2.4" TFT display, USB battery charging with power-path switching, KiCad schematics, PCB and 3D models.

Memory Alignment in ARM Embedded Systems

Technical overview of memory alignment in embedded systems: reasons, ARM/MMU requirements, atomicity, NEON constraints and cache-line effects on performance.

Redis Distributed Locks: Five Approaches

Explains Redis-based distributed lock strategies—from SETNX to atomic SET with EX/PX, unique owner IDs, and Lua scripts—to prevent cache stampede.

C Language Data Types Explained

Overview of C data types, variables, integer/float/char representations, memory sizes and IEEE?754 layout, plus implicit and explicit type conversion rules for C.

DC Startup Environment and Synthesis Procedure

Guide to configuring Synopsys Design Compiler startup: using .synopsys_dc.setup, defining target/link/symbol/synthetic libraries, startup modes, synthesis workflow and DC commands.

Linux TCP Queue Parameters Explained

Practical guide to Linux TCP tuning from server perspective: connection queues, receive/send buffers, Ring Buffer, QDisc, NIC multi-queue and offload settings.

Kubernetes CoreDNS: What it is and how to monitor

Guide to monitoring CoreDNS in Kubernetes: configure Prometheus to scrape CoreDNS metrics, and monitor errors, latency, traffic, saturation and cache performance.