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Fargin or How to help your entrepreneur friends

"Check out this thing, I have been working on!" I am sure we are all hearing this more often than usual. Or as my friend Lisa says, No More, Not Yet times. The liberation provided by Agentic coding tools has allowed many to create the ideas that lay buried in their psyche's for decades. It is something to see, my friends build things with little technical knowledge or assistance. I foresee an…

Slurping the Claude Code Word Soup

It's 2 AM in Madrid, and I'm staring at my screen, convinced that Anthropic's documentation is confusing me. I cannot decide. Is it the same thing called differently or the hype of words. It is a salty word soup for me now. Skills. Commands. Subagents. Plugins. MCP servers. CLAUDE.md. AGENTS.md. "These are all just... prompts?" I mutter to myself, feeling that particular brand of frustration that…

Getting ESP32-C3 Super-mini to do ESP-NOW

These little boards have been catching my attention lately due to their compact form factor and impressive features. They remind me of the Adafruit Trinkets , which remain my most-used boards in projects. So, I bought about 10 of these Super Mini boards for an art installation project that uses a Quasi Mesh network, which utilizes ESP-NOW. They seemed cheap and good. Rui wrote a nice guide to get…

AI Augmentation, AI Amputation

Andres Ortiz from Bestiario once shared an insightful observation during our Proximo Lab call. He described the two distinct ways visitors experience the Guggenheim Museum : either taking the slow spiral staircase upward, gradually absorbing the art with changing perspectives and time for contemplation, or hopping into the elevator for an express journey. These two paths represent fundamentally…

Adding MORE smoke to your projects : Self Vaping Vape Machines

In the previous post , i discussed how you can add calm, decent smoky mist to your project. That can be used to make smoky chimneys, misty forests, and even IoT based fragrance control or sensorial alarm clocks and interfaces. But some times you need more smoke, like a lot of it... You need literal smoke machine in your hand. In this post, i will talk about how i built one using vapes and a 3D…

DSPy 101: Programming Prompts (sort of)

Learn about DSPy and more.

Adding smoke to your projects : Mist machine

Unlike what consultants sell, sometimes my projects need some smoke. Us engineers are raised to fear smoke, but in model making adding smoke to things makes them shine more than any LED could. Over years, I have been adding smoke to the models I have built. In this blog I talk about the easiest way to do so - Good old misting machine. These have two parts : The disc that vibrates at a frequency…

How to use MongoDB in n8n

In my recent work, I have been exploring various aspects of n8n automation workflows. I find it is a cool tool to quickly prototype AI ideas and then move towards Mastra or Open AI SDK based on how the project evolves. I have built and deployed many tools using this approach and maybe I will write about it in sometime. Today, I want to dive into something that's been incredibly useful in my own…

[Photo Essay] Edinburgh

This is a photo essay on the beautiful city of Edinburgh. I was there to present my project Pinchphone at the Open Hardware Summit 2025. Here are some pictures I clicked during my walks and hikes. My journey began at Madrid Airport, where I caught a late evening flight. The sky was overly lit — great news for those of us who enjoy capturing shadows. Edinburgh’s cityscape has this rustic, “Harry…

[Photo Essay] Cambridge, Chelmsford, Haverhill