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  • Learning by Repairing: Inside a Simple Pump Control Panel

    Mar 31, 2026

    Yesterday, I opened the control panel for our borewell pump after its power plug started showing signs of melting. On closer inspection, the socket had developed minor cracks, so I decided to replace the socket and plug top. While doing that, I opened the control panel just to be safe and noticed heavy rusting on the terminal connectors.

    Connector status before repair
    Connector status before repair - heavy rusting

    My first instinct was to either clean it thoroughly or replace the entire starter panel. Cleaning seemed tricky; AI suggested using a contact cleaner, which I didn’t have, and I wasn’t sure it would restore the terminals properly anyway.

    But curiosity got the better of me.

    With some guidance from AI, I slowly began understanding what was inside the panel: a contactor, a few capacitors, a relay, and terminal strips. No electronics, no circuit boards — just a handful of electromechanical components working together to start and protect the motor.

    To be honest, I didn’t know much about this type of system. I wasn’t even aware that terminal strips were available as replaceable components. Fortunately, I was able to find them at a local electrical shop.

    New Connectors
    New Connectors

    Before touching anything, I sketched a quick wiring diagram and labeled the connections in my own way (I still need to learn the standard way!).

    Read more →
  • Facing the Board Exams - A Talk at my Alma Mater

    Mar 13, 2026

    Earlier this week, I visited my alma mater, JC International School (earlier known as Jaycees English Medium School, Karkala), to inquire about the school joining age for my daughter. In the course of our conversation, we went back to the year 2003, when I was in 10th Standard and had emerged as a district topper. Incidentally, this year’s 10th examinations were less than a week away and hall tickets were being distributed. The principal, Chittaranjan Sir, felt I would be a good fit to address the students and share my experiences as they prepared to face their own board exams.

    When Vandana Madam called to confirm the time, I was filled with mixed emotions. Many thoughts ran through my mind. I was no doubt a studious child, but I often struggled with imposter syndrome and constantly looked for motivation and success stories that I could relate to. At the same time, I realized that the students I would be addressing were likely born after 2008, and the world they grew up in is vastly different from the one I knew.

    Standing in front of school students again after several years felt both nostalgic and slightly surreal. I began by asking how everyone was feeling about the upcoming examinations and who already saw themselves as toppers. It was a pleasant sight to see several hands go up!

    I then took them back to my own days in 2003, when I had been in the same position as them. I shared how the school leaderboard was a constant source of motivation for me, and how I would look up to the toppers and aspire to be like them. The leaderboard used to be clearly visible from our classroom window.

    With less than a week left before the examinations, I encouraged the students not to stress themselves too much and instead focus on putting in their best effort. While being a topper is wonderful, it is not the end of the world if you don’t become one. Back then, it was a great feeling when people would recognize me on the streets and talk about my results. Even years later, I have had juniors tell me that hearing about my success inspired them to prepare better for their own board exams.

    I also spoke about how life is shaped by the choices we make at different stages. In my own case, I could not continue being a topper in PU and Engineering, and my self-confidence took a significant hit during those years. That experience taught me how important it is to maintain confidence in one’s abilities. Sometimes, even pretending to be confident can help trick the mind into performing better.

    One of the key suggestions I shared with the students was to get rid of social media apps, at least until the exams are over. During our days, parents would often disconnect cable TV for a while to remove distractions, but today the biggest distraction is the mobile phone.

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  • A Simple rsync Script that I use for Backups

    Nov 18, 2025

    Ever since I bought my first PC back in 2008, keeping my data backed up has been a priority. Those were the ThinkCentre desktop days - reliable machines, and thanks to IBM’s proprietary backup software, I felt safe, at least initially!

    But there was a catch.

    The backups were stored in a proprietary format, with the actual files buried deep under cryptic folder structures. To make matters worse, the backup would be split across multiple DVDs. Restoring anything manually felt like a small archaeology project.

    Over the years, my backup strategy kept evolving. Storage was expensive back then, so I limited myself to burning only the most important files onto optical discs or copying them manually to an external HDD every few months. It worked - but it wasn’t elegant. And it definitely wasn’t efficient.

    Eventually, I realized something important: Backups should be simple, fast, and trustworthy. But most GUI backup tools fail miserably at this. They hide everything behind animations and vague progress bars. You never really know:

    • what is being copied
    • what is being skipped
    • or worse, what is being deleted.

    On top of that, many tools bury the actual data under odd folder names, or store everything in proprietary formats that require the same software just to restore your own files.

    I wanted something cleaner, predictable that told me exactly what was happening and didn’t hide my files from me. So, with some help from ChatGPT, I built a simple, interactive rsync-based backup script that I use to backup to two external hard drives.

    Total Transparency

    This script shows you which files

    • have changed
    • were copied
    • were deleted (the most important!)

    in addition to how much data moved and a fully readable, color-coded log. Nothing is hidden with every action being visible and verifiable.

    Read more →
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