Polling vs Interrupts in Embedded Systems: When to Use Each, Pros, Cons, and Practical Examples
Aug 26, 2026 · 5 min read
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.
PWM Audio Synthesis: How to Generate Sound and Voice in Embedded Systems Using Pulse Width Modulation
Aug 17, 2026 · 12 min read
A practical guide for embedded engineers on generating audio and voice using PWM. Learn why PWM frequency matters, how PWM acts as a low-cost DAC, the role of Nyquist theorem, filtering requirements, and real-world implementation on STM32, ESP32, and Arduino.
From 2000 Lines of 8051 Assembly to 20 Lines of Arduino: A Microcontroller Generational Leap
May 10, 2026 · 3 min read
How learning 8051 assembly prepares you for modern microcontroller development with Arduino.