Abijah Kajabika (@abijahkaj)

AKAbijah Kajabikablog.abijah.meJul 26 · 9 min read

Reinventing the Curve: Why the PCBs of the Future Will Look Like the PCBs of the Past

I. The Hook: A Visual History Pull up a picture of a circuit board from a vintage 1970s analog TV, and you’ll see something that looks more like biology than technology. The copper traces sweep across

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AKAbijah Kajabikablog.abijah.meMay 9 · 9 min read

Teaching a Small LLM to Design Electronic Circuits: Fine-Tuning Qwen3-4B on 100K KiCad Netlists

How I built a 100K-example dataset of executable circuit netlists and fine-tuned a 4B parameter model that scores 88% on functional circuit generation, rivaling GPT-4o's published benchmarks. The Pro

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AKAbijah Kajabikablog.abijah.meJan 28 · 4 min read

Declarative vs Imperative APIs in JavaScript (and Why Chainable Code Feels So Different)

When people talk about “declarative” APIs, they often mean something vague like cleaner, functional, or React-style. But the real difference between declarative and imperative (non-declarative) APIs is much simpler: Imperative code tells the compute...

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AKAbijah Kajabikablog.abijah.meOct 19, 2025 · 10 min read

Offline AI with React Native

In a world where internet connectivity is often unreliable (especially while on a plane), and privacy concerns are growing, I set out to build an AI-powered study assistant that works entirely offline. The goal was to explore what can be done with av...

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AKAbijah Kajabikablog.abijah.meAug 23, 2024 · 5 min read

Using Raspberry Pi Pico W to send data via Bluetooth to a SwiftUI app

The Raspberry Pi Pico W is a versatile microcontroller with built-in Bluetooth Low Energy (BLE) capabilities, making it ideal for IoT applications. The Raspberry Pi Pico SDK comes with Bluetooth and it would be great to use it to send some data to an...

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Abijah Kajabika

About

Available for

Abijah Kajabika's blogs

Recently published

Reinventing the Curve: Why the PCBs of the Future Will Look Like the PCBs of the Past

Teaching a Small LLM to Design Electronic Circuits: Fine-Tuning Qwen3-4B on 100K KiCad Netlists

Declarative vs Imperative APIs in JavaScript (and Why Chainable Code Feels So Different)

Offline AI with React Native

Using Raspberry Pi Pico W to send data via Bluetooth to a SwiftUI app

Abijah Kajabika

About

Available for

Abijah Kajabika's blogs

Recently published

Reinventing the Curve: Why the PCBs of the Future Will Look Like the PCBs of the Past

Teaching a Small LLM to Design Electronic Circuits: Fine-Tuning Qwen3-4B on 100K KiCad Netlists

Declarative vs Imperative APIs in JavaScript (and Why Chainable Code Feels So Different)

Offline AI with React Native

Using Raspberry Pi Pico W to send data via Bluetooth to a SwiftUI app

Abijah Kajabika

About

Available for

Abijah Kajabika's blogs

Recently published

Reinventing the Curve: Why the PCBs of the Future Will Look Like the PCBs of the Past

Teaching a Small LLM to Design Electronic Circuits: Fine-Tuning Qwen3-4B on 100K KiCad Netlists

Declarative vs Imperative APIs in JavaScript (and Why Chainable Code Feels So Different)

Offline AI with React Native

Using Raspberry Pi Pico W to send data via Bluetooth to a SwiftUI app

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Abijah Kajabika

About

Available for

Abijah Kajabika's blogs

Recently published

Reinventing the Curve: Why the PCBs of the Future Will Look Like the PCBs of the Past

Teaching a Small LLM to Design Electronic Circuits: Fine-Tuning Qwen3-4B on 100K KiCad Netlists

Declarative vs Imperative APIs in JavaScript (and Why Chainable Code Feels So Different)

Offline AI with React Native

Using Raspberry Pi Pico W to send data via Bluetooth to a SwiftUI app