YAGNI Principle (You Aren’t Gonna Need It)
Learn the YAGNI principle with practical C examples. See how building only what you need today avoids wasted effort, code bloat, and unnecessary complexity.
Home » Embedded Systems »
Embedded Systems
Comprehensive tutorials on embedded systems — from microcontroller basics and GPIO to RTOS, power management, and security. All examples use C code targeting real hardware.
Composition Over Inheritance in C
Learn the Composition Over Inheritance principle with practical C examples. See how embedding structs and assembling behavior creates more flexible and maintainable code than deep… Read More »Composition Over Inheritance in C
Separation of Concerns in C
Learn Separation of Concerns with practical C examples. See how dividing code into distinct sections — each handling one concern — makes software modular, testable,… Read More »Separation of Concerns in C
Sleep Modes and Low Power Techniques in Microcontrollers
Learn sleep modes in microcontrollers (ESP32, STM32, AVR): idle, light sleep, deep sleep, and shutdown. Covers wake-up sources, duty cycling, and practical tips for ultra-low-power… Read More »Sleep Modes and Low Power Techniques in Microcontrollers
Battery Technologies for Embedded and IoT Devices
Compare battery technologies for embedded and IoT devices: alkaline, coin cell, LiPo, Li-SOCl2, and NiMH. Covers charging, protection circuits, voltage monitoring, and selection guidelines.
Code Smells in C: Bloaters (Long Functions, Magic Numbers, and More)
Learn to identify bloater code smells in C: long functions, long parameter lists, magic numbers, primitive obsession, and large files. Each with examples and fixes.
Code Smells in C: Change Preventers (Duplicate Code, Tight Coupling, and More)
Learn to identify change-preventer code smells in C: duplicate code, shotgun surgery, tight coupling, and hardcoded values. Each with examples and practical fixes.
Code Smells in C: Dispensables (Dead Code, Deep Nesting, Global Abuse)
Learn to identify dispensable code smells in C: dead code, speculative generality, comments as deodorant, deep nesting, and global variable abuse. Examples and fixes included.
Energy Harvesting for Embedded and IoT Devices
Learn energy harvesting techniques for embedded systems: solar, thermoelectric, piezoelectric, and RF harvesting. Covers harvester ICs, storage options, system architecture, and practical design examples.
Secure Boot and Firmware Updates in Embedded Systems
Learn secure boot and OTA firmware updates for embedded systems. Covers chain of trust, firmware signing, A/B partitions, flash encryption, and security best practices for… Read More »Secure Boot and Firmware Updates in Embedded Systems