Sunday, October 05, 2025
Art Education STEM

Free custom icon based on my original painting: Oscar

In this post, I’m sharing an icon based off one of my original canvas paintings of Oscar fish. A snapshot of the painting is below (shown in smaller size than original): The original canvas is not for sale, however, a high-resolution, full-size digitized version is available as a NFT only on this official NFT exchange […]

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Education Life STEM

Myers-Briggs Type Indicator (MBTI) and my results

Some of you may have heard of Myers-Briggs “test” in your career or from friends. I believe the first time I took the evaluation was probably in late 90s to early 2000. I’ve recently retook it and, here, will share some of my self-discoveries. First, a very brief intro to MBTI:MBTI provides information on the […]

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Education STEM

Arduino: Building a music tempo controller with simple components

In this project, I built a simple system where we can play a tune/music through a speaker (sound/tone is of our choice) and while it’s playing, we can control the tempo in real time. For the speaker, I used an inexpensive passive buzzer hooked up to a 10K resistance potentiometer. I insert a turning knob […]

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Analytics Coding Education STEM

Raw Data to Machine Learning to Decision-Tree: Excel

Machine Learning in Excel? Isn’t ML the new thing, new algorithm that’s only done in the Cloud using R and Python? Nope! We’ve been doing in Excel for many years!! It’s only recently getting a lot of attention with Cloud and large datasets and made much, much simpler to use for today’s Data Scientists— but […]

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Coding Education STEM

Estimating reading time for any content (Python)

We occasionally see reading time estimates in online news, blog sites, and even in promotional contents. This estimate is important because it tells the reader upfront how much the content may take to read. There are several extensive studies done internationally (in English speaking countries) that demonstrate that people tend to read messages/contents up to […]

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