Video – 4 Hours, 10 LEDs & A Lot of Patience

https://www.youtube.com/shorts/UWIelIkqGqo My first ESP32-S3 LED project: how I built a 10-LED flowing light — and why I almost skipped the most important part. Where the ESP32-S3 LED project started I am learning electronics and programming at the same time — two things that are already hard on their own. So when I reached Chapter 3 […]
My First ESP32 Project: Making an LED Blink

Introduction to my ESP32 LED blink project I recently started learning embedded systems and robotics using an ESP32-S3 starter kit and MicroPython.My first project was a classic ESP32 LED blink — making a single LED turn on and off. Although it sounds simple, it turned out to bea valuable introduction to how hardware and software […]
The Hidden Cost of “Just One More Filter” in Analytics

The Hidden Cost of “Just One More Filter” in Analytics Filters feel harmless. In fact, they often feel responsible. Exclude internal traffic. Remove test users. Ignore low-volume flows. Limit to one domain. Clean up “messy” edge cases. You do it to make reporting clearer and more reliable. But over time, filters create something most analytics […]
Why Dashboards Break as Your Business Scales

At the beginning, everything works. You have a few dashboards. The metrics are clear. Revenue, traffic, conversions — all aligned. Stakeholders trust the numbers. Decisions feel data-driven. Then the business grows. New products launch. Teams multiply. Markets expand. Tracking evolves. And slowly — almost invisibly — your dashboards start breaking. Not technically. Strategically. Scaling Changes […]
Why Clean Data Doesn’t Mean Correct Data

Why Clean Data Doesn’t Mean Correct Data “Clean data” is one of the most misleading compliments in analytics. A dataset can be clean, structured, and consistent—and still be wrong for decision-making. Correctness is not just about whether the data is formatted properly. It’s about whether the data reflects the real business, the real user journey, […]
5 Rookie Mistakes Analysts Make With GA4 (And How to Avoid Them)

5 Rookie Mistakes Analysts Make With GA4 (And How to Avoid Them) GA4 has been around long enough that most analysts have “used” it — but many still misunderstand how it actually works. The result? Dashboards that look fine on the surface but quietly mislead teams underneath. If you’re a beginner or intermediate analyst, these […]