Ler Tech Notes
LerLer ChanInstructor of AI Agent classes | Programmer since 2010 | Blogging since 2007 | Helping working adults and students build practical AI tools | Exploring ethical AI writing, automation, and education.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 65 | Founded | a year ago | Last Issue | 4 days ago |
| Active | |||||
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lertechnotes.substack.comLatest Issues
How to Turn a Blog Post Into a TikTok Video Automatically (FFmpeg + Free TTS)
Every Sunday at 12:03am MYT, my K45VD box wakes up, reads whatever I published on lertechnotes that week, and turns it into a 35-second TikTok video — voiceover, slides, captions, done. I don’t open an editing app. I don’t record my voice....
India's AI Layoffs Are a Warning for Malaysia's Software Engineering Education: Why AI-Fluent Graduates Will Win
India’s technology industry may be offering Malaysia a glimpse into its future.
Recent reports indicate that Tata Consultancy Services (TCS), India’s largest IT services company, is cutting more than 12,000 jobs as part of a broader restru...
Stop Letting Claude Code Guess What You Want: The grill-me Skill Claude Code Workflow
Last week one of my Diploma IT students asked Claude Code to “build a login system” for his FYP. Ten minutes later he had Firebase auth, a Stripe billing hook, and three new database tables — none of which his supervisor asked for. That’s t...
The AI Model Tiering Strategy That Stops You Overpaying for Every API Call
A student in one of my AI Agent classes at SUC showed me her OpenRouter bill last week. Her FYP chatbot had racked up a number that made her wince. When I opened her code, every call — email drafts, blog outlines, actual hard debugging — wa...
Cloud GPU vs Buying a GPU in Malaysia: Which One Actually Saves You Money?
Quick verdict: if you’re running under 80 GPU hours a month, rent. Past 300 hours a month, buying usually pays for itself inside a year. Everything between those two numbers depends on how much you value data privacy, gaming use, and not fi...
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Instructor of AI Agent classes | Programmer since 2010 | Blogging since 2007 | Helping working adults and students build practical AI tools | Exploring ethical AI writing, automation, and education.
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