How to Run a Local AI Coding Agent on Your Mac (Free, No Cloud)
I set up a local AI coding agent on my Mac with Pi, Ollama, and Gemma 4. Full config, a real test build, and the honest limits of a 12B model for local development.
AI and VoIP Blog
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How LLM Tool Calling Actually Works: A peek under the hood
A deep dive into how LLM tool calling actually works under the hood — from JSON schemas to grammar constraints to raw token generation. All with real logs from Gemma 4 E2B running on a Raspberry Pi 4B via llama.cpp.
Run Gemma 4 on Raspberry Pi 4B: Complete Free Local AI Setup Guide
Learn how to run Gemma 4 on Raspberry Pi 4B using llama.cpp. No GPU, no cloud, no monthly bill. Complete step-by-step guide with real performance numbers from an actual Pi.
Setup a Simple Web Page Watcher with Phone Notification on Raspberry Pi
Build a Raspberry Pi web page watcher that sends phone notifications when content changes. Uses Python, cron, and ntfy for instant alerts.
How to Make and Receive SIP to PSTN Calls Using Twilio and Zoiper (Step-by-Step Setup Guide)
Step-by-step guide to making and receiving SIP to PSTN calls using Twilio and Zoiper. Set up SIP registration, TwiML Bins, and start calling in minutes.
WebGL 3D: An interactive 3D cube (fun experiment)
Interactive WebGL 3D experiment rendering a spinning cube in your browser. Explore vertex shaders, fragment shaders, and real-time GPU rendering.
How to Get Structured JSON Responses from a LLM using Ollama
Learn how to get reliable structured JSON responses from LLMs using Ollama's JSON mode and schema enforcement for production-ready AI applications.
Real-Time Speech-to-Speech with OpenAI & Twilio: Full SIP Integration Guide
Build a live voice AI agent using OpenAI's Realtime API and Twilio SIP trunking. Covers webhook setup, SIP registration, and end-to-end call flow.
Step-by-Step Guide to SIPp : Build and Install from Source
Build and install SIPp from source on Linux with SSL, PCAP, and SCTP support. Complete guide to compiling the latest release from GitHub.
Explore KittenTTS with Gradio: Easy Text-to-Speech
Run KittenTTS locally with a Gradio web interface for high-quality text-to-speech. Lightweight, fast, and open-source with multiple voice options.