Independent writing on electronics, hardware, embedded systems, and engineering thought.https://siliconpen.com/en-ushttps://siliconpen.com/posts/loop-conditions-and-decisions-in-embedded-systems.htmlhttps://siliconpen.com/posts/loop-conditions-and-decisions-in-embedded-systems.htmlLearn how Arduino makes decisions using loops, conditions, and control flow. This chapter explains how embedded systems think, react, and choose actions based on real-world inputs — the foundation of intelligent behavior in electronics.Mon, 10 Aug 2026 00:00:00 GMThttps://siliconpen.com/posts/variables-functions-and-clean-code-structure.htmlhttps://siliconpen.com/posts/variables-functions-and-clean-code-structure.htmlYour Arduino code works—but it’s getting messy. This chapter teaches how to use variables, functions, and clean code structure to organize your programs, avoid repetition, and make changes easily. Perfect for beginners leveling up their coding skills.Mon, 03 Aug 2026 00:00:00 GMThttps://siliconpen.com/posts/serial-monitor-your-first-debug-tool.htmlhttps://siliconpen.com/posts/serial-monitor-your-first-debug-tool.htmlLearn how to use the Arduino Serial Monitor to debug your code, view sensor values, and understand what your program is thinking. A beginner-friendly chapter on printing, monitoring, and troubleshooting real-time data.Sun, 26 Jul 2026 00:00:00 GMThttps://siliconpen.com/posts/delays-vs-non-blocking-code-millis.htmlhttps://siliconpen.com/posts/delays-vs-non-blocking-code-millis.htmlUsing delay() works for beginners, but it stops your Arduino from doing multiple tasks. This chapter explains why delay() becomes a bottleneck and how millis() helps you write smooth, non-blocking, multitasking-friendly code.Mon, 20 Jul 2026 00:00:00 GMThttps://siliconpen.com/posts/understanding-pwm-and-led-fading.htmlhttps://siliconpen.com/posts/understanding-pwm-and-led-fading.htmlIf Arduino can only output HIGH or LOW, how does it control brightness or motor speed? This chapter explains Pulse Width Modulation (PWM) in simple terms—how it fakes analog output and lets you fade LEDs or control power smoothly.Mon, 13 Jul 2026 00:00:00 GMThttps://siliconpen.com/posts/using-potentiometers-and-mapping-values.htmlhttps://siliconpen.com/posts/using-potentiometers-and-mapping-values.htmlLearn how to use potentiometers with Arduino and convert raw analogRead() values into useful ranges. This chapter explains voltage division, reading 0–1023 values, and mapping them to angles, brightness, speed, or any custom scale.Sat, 17 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/analog-input-reading-sensors-with-analogread.htmlhttps://siliconpen.com/posts/analog-input-reading-sensors-with-analogread.htmlLearn how Arduino reads real-world signals using analogRead(). This chapter explains analog inputs, voltage levels, and how sensors provide continuous values instead of simple HIGH/LOW signals. Perfect for beginners exploring sensors and data.Tue, 13 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/potentiometer.htmlhttps://siliconpen.com/posts/potentiometer.htmlA beginner-friendly look at potentiometers—what they are, how they work, and why they let humans control circuits smoothly instead of just ON/OFF. Clear, practical, and perfect for real-world electronics learning.Fri, 09 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/debouncing-why-buttons-misbehave.htmlhttps://siliconpen.com/posts/debouncing-why-buttons-misbehave.htmlLearn why a simple button press can cause multiple signals in Arduino. This chapter explains the physics behind switch bounce, how it affects digital inputs, and the practical debouncing techniques used in real electronics.Mon, 05 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/newyear26.htmlhttps://siliconpen.com/posts/newyear26.htmlSiliconPen began with confusion—not clarity. This New Year reflection looks back at one year of questioning, unlearning, and rebuilding understanding in electronics, moving from memorized formulas to real curiosity and intuition.Thu, 01 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/using-digital-inputs-in-arduino.htmlhttps://siliconpen.com/posts/using-digital-inputs-in-arduino.htmlLearn how digital inputs work in Arduino using buttons and switches. Understand how the board listens to external signals, reads HIGH/LOW states, and reacts to real-world interactions. Perfect for beginners building interactive projects.Thu, 01 Jan 2026 00:00:00 GMThttps://siliconpen.com/posts/switches.htmlhttps://siliconpen.com/posts/switches.htmlUnderstand switches the right way—by seeing how they feel, behave, and connect in real circuits. No theory overload. Just a clear, practical explanation of what a switch actually is and how it controls current in your projects.Sun, 28 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/know-your-weapons.htmlhttps://siliconpen.com/posts/know-your-weapons.htmlBefore building projects or writing code, you need to understand the core electronic components you’ll work with. This post introduces the fundamental parts—what they do, how they behave, and how they fail—in a simple, practical way.Wed, 24 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/overview-real-circuits.htmlhttps://siliconpen.com/posts/overview-real-circuits.htmlElectronics is more than equations and more than plug-and-play tutorials. This overview of the Real Circuits series explains the gap between theory and practical circuits, showing how components behave in real life and why that matters.Sat, 20 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/understanding-digital-output.htmlhttps://siliconpen.com/posts/understanding-digital-output.htmlLearn what digital output truly means in electronics. Go beyond code and understand how Arduino pins use HIGH and LOW signals to control real components like LEDs, sensors, and modules. Perfect for beginners exploring embedded systems.Sat, 20 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/blink-with-an-external-led.htmlhttps://siliconpen.com/posts/blink-with-an-external-led.htmlControlling LED using Arduino!Wed, 17 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/setting-up-the-arduino-ide.htmlhttps://siliconpen.com/posts/setting-up-the-arduino-ide.htmlLearn about the components and functions of the Arduino Uno board to enhance your coding and circuit-building skillsSat, 13 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/welcome-to-the-new-siliconpen.htmlhttps://siliconpen.com/posts/welcome-to-the-new-siliconpen.htmlSiliconPen has moved from Hashnode to its own home. Here’s why the move happened, what’s new on the site, and what’s still being built.Sun, 07 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/understanding-the-arduino-uno-board.htmlhttps://siliconpen.com/posts/understanding-the-arduino-uno-board.htmlLearn about the components and functions of the Arduino Uno board to enhance your coding and circuit-building skillsFri, 05 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/what-is-arduino.htmlhttps://siliconpen.com/posts/what-is-arduino.htmlArduino simplifies electronics and programming, allowing beginners to prototype and innovate quickly with its user-friendly microcontroller platformThu, 04 Dec 2025 00:00:00 GMThttps://siliconpen.com/posts/watts-really-going-on-inside-the-lightbulb-part-2-rant-electronics-3.htmlhttps://siliconpen.com/posts/watts-really-going-on-inside-the-lightbulb-part-2-rant-electronics-3.htmlDiscover how lightbulbs transfer heat through conduction, convection, and radiation, with engaging stories and insightsSat, 14 Jun 2025 00:00:00 GMThttps://siliconpen.com/posts/oscillations-2.htmlhttps://siliconpen.com/posts/oscillations-2.htmlDiscover the latest tech shifts in June 2025 — from AI giants tightening APIs, Amazon’s humanoid delivery robots, and India’s booming fintech and space techSun, 08 Jun 2025 00:00:00 GMThttps://siliconpen.com/posts/watts-really-going-on-inside-the-lightbulb-part-1-rant-electronics-3.htmlhttps://siliconpen.com/posts/watts-really-going-on-inside-the-lightbulb-part-1-rant-electronics-3.htmlExplore the chaotic world of lightbulbs, resistors, and TungstenSat, 07 Jun 2025 00:00:00 GMThttps://siliconpen.com/posts/oscillations-1.htmlhttps://siliconpen.com/posts/oscillations-1.htmlDiscover this week’s major tech shifts: OpenAI’s potential Chrome integration, US export ban on chip design software to China, Tesla’s robotaxi launch plansSun, 01 Jun 2025 00:00:00 GMThttps://siliconpen.com/posts/wires-the-sneaky-snakes-of-circuits-rant-electronics-2-part-2.htmlhttps://siliconpen.com/posts/wires-the-sneaky-snakes-of-circuits-rant-electronics-2-part-2.htmlExplore wire chaos in circuits, revealing resistance, electromagnetism, and quirks in part two of this seriesSat, 31 May 2025 00:00:00 GMThttps://siliconpen.com/posts/wires-the-sneaky-snakes-of-circuits-rant-electronics-2-part-1.htmlhttps://siliconpen.com/posts/wires-the-sneaky-snakes-of-circuits-rant-electronics-2-part-1.htmlExplore chaotic electronics with wiry betrayals, circuits, rodents, and relentless switches in this electrifying taleMon, 26 May 2025 00:00:00 GMThttps://siliconpen.com/posts/overview-oscillations-0.htmlhttps://siliconpen.com/posts/overview-oscillations-0.htmlDiscover SiliconPenSat, 17 May 2025 00:00:00 GMThttps://siliconpen.com/posts/the-mighty-switch-rant-electronics-1.htmlhttps://siliconpen.com/posts/the-mighty-switch-rant-electronics-1.htmlDiscover how a simple switch holds deep life lessons — with sarcasm, philosophy, and electronics blended into one chaotic rant. Because why not romanticize.Fri, 16 May 2025 00:00:00 GMThttps://siliconpen.com/posts/overview-rant-electronics-0.htmlhttps://siliconpen.com/posts/overview-rant-electronics-0.htmlA humorous take on electronics, mixing engineering stress with rants, tangents, and existential musings. Not your typical tech guideThu, 15 May 2025 00:00:00 GMThttps://siliconpen.com/posts/the-ghibli-effect-why-are-chatgpts-processors-melting.htmlhttps://siliconpen.com/posts/the-ghibli-effect-why-are-chatgpts-processors-melting.htmlGhibli-inspired AI art is taking over the internet. Discover the tech behind it—GANs, Diffusion, Transformers—and why ChatGPT canThu, 10 Apr 2025 00:00:00 GMThttps://siliconpen.com/posts/how-to-read-circuit-diagrams.htmlhttps://siliconpen.com/posts/how-to-read-circuit-diagrams.htmlLearn how to read circuit diagrams like a pro! This beginner-friendly guide breaks down symbols, connections, and tips to decode schematics with ease.Wed, 02 Apr 2025 00:00:00 GMT