Monday, Aug 31, 2026 Week -- 12:26:19
A beginner-friendly, comprehensive guide to understanding CPU, GPU, and NPU: what they do, how they differ, their architecture, real-world use cases, pros and cons, and when to use each for your project. Perfect for engineers and developers.
Complete guide to PWM (Pulse Width Modulation): how it works, frequency vs duty cycle, practical MCU configuration examples, real-world use cases including LED dimming, motor control, and DAC simulation. Clear explanations with working code.
Complete guide to DMA controllers in embedded systems: how Direct Memory Access works, when to use it, DMA modes and transfer types, practical configuration examples, and common pitfalls to avoid in production code.
A practical guide to choosing between ARM Cortex-M microcontrollers and Cortex-A processors for embedded projects. Learn the architectural differences, performance trade-offs, real-world use cases, and decision criteria for MCU vs MPU selection.
Deep-dive into DMIPS vs MIPS: what Dhrystone measures, why MIPS alone is misleading, how to interpret DMIPS specifications in MCU datasheets, and what these metrics actually tell you about real-world performance.
Practical comparison of ESP32 (Xtensa dual-core MCU with integrated Wi-Fi/BLE) vs ARM Cortex-A application processors for IoT projects. Learn cost, power, complexity tradeoffs, and when each is the right choice for your connected device.
A practical guide to polling vs interrupt-driven programming in embedded systems. Learn when to use each approach, trade-offs, platform examples (Arduino, ARM, Linux), and real-world code patterns.
A practical engineer's guide to designing safe OTA firmware update systems for embedded devices. Learn about bootloaders, A/B partitions, signature verification, rollback mechanisms, and how to prevent bricking devices during updates.
A practical engineer's guide to selecting the right microcontroller for embedded projects. Learn what factors matter most: performance, peripherals, power consumption, tooling, availability, cost, and long-term support.
Clear explanation of MCU, CPU, and MPU: what they are, key differences, and practical examples from real systems.
