Feb 9 · 3 min read · Introduction When working with mixed-voltage embedded systems, mismatched logic levels can damage sensors or cause communication failures. The PCA9306 bidirectional level shifter module solves this problem by enabling seamless I²C communication betwe...
Join discussion
Dec 14, 2025 · 8 min read · In Part 1 of this series, we drew boxes on a whiteboard and called it "Architecture". Today, we will stop pretending and start building. Most other tutorials on the internet are very basic and teach you how to build a calculator or some other basic s...
Join discussion
Dec 10, 2025 · 2 min read · Short answer: often no, sometimes yes, and for permanent projects it’s usually a good idea. Here’s the breakdown: 1. Classic Arduino boards (Uno, Mega, official Nano, etc.) Original Arduino Uno / Mega / Leonardo Come with all headers already solde...
Join discussion
Nov 5, 2025 · 4 min read · Here’s the practical way to get your Arduino sketch from Arduino IDE into Proteus 8 for simulation. What you can (and can’t) simulate Works best with AVR-based boards (Uno/Nano = ATmega328P, Mega2560, Leonardo/Micro = ATmega32U4). Proteus 8 (with V...
Join discussion
Oct 25, 2025 · 1 min read · you’ve ever started an Arduino project, you’ve likely faced this question:Should I use the Arduino Uno or the Arduino Nano? Both boards are classics in the maker community — affordable, reliable, and beginner-friendly — but they shine in slightly dif...
Join discussion
Oct 24, 2025 · 2 min read · Here’s the short, safe guide to powering an Arduino via VIN. 1) What VIN is (and isn’t) VIN feeds the board’s 5 V linear regulator. Use it when your source is \> 6 V and < ~20 V. Recommended: 7–12 V (sweet spot: 7–9 V to reduce heat). Do NOT put 5...
Join discussion
Oct 10, 2025 · 4 min read · This is an excellent question that gets to the heart of how Arduino controls things like LED brightness, motor speed, and servos. The short answer is: The Arduino Uno itself doesn't have a fixed duty cycle. You, as the programmer, define the duty cyc...
Join discussion
Sep 24, 2025 · 4 min read · Factory resetting an Arduino Uno board doesn't work exactly like a smartphone or computer factory reset. Here's what actually happens and how to achieve different levels of "reset": What "Factory Reset" Means for Arduino Uno 1. There's No True "Facto...
Join discussion
Sep 23, 2025 · 3 min read · Polling does generate heat in microcontrollers, but usually only significantly under specific conditions. Here's a detailed explanation: Why Polling Can Generate Heat 1. Constant High CPU Utilization c // Example: Intensive Polling Loop while(1) { ...
Join discussion
Sep 22, 2025 · 7 min read · Everyone started with the classic blinking LED, using the Arduino Uno R3. But what does Arduino(the company)-(yes it’s actually a company) making these renowned boards. Let’s dive in! Introduction Being my first blog post on this platform, I’ll keep ...
Join discussion