The Lab Journal

Technical writings on IoT infrastructure, solo entrepreneurship, and building products that scale.

Biometric Workforce Attendance for Farms: Building ID Card OCR That Survives Real Fields

How I built a biometric workforce attendance system for Israeli and Palestinian farms. ID card OCR with Gemini, blur detection, GPS geofencing, device fingerprinting, and the early-morning production incident that forced me to rebuild the entire forensics pipeline. What actually works when you deploy biometric identity verification at dawn in a dusty field.

April 21, 2026

AI ENGINEERING | 12 MIN READ

I Gave My AI Agent a Phone Number: Voice Calls Over 4G on a Raspberry Pi

How I connected a Claude-powered AI agent to a 4G cellular module on a Raspberry Pi, enabling real voice phone calls with speech-to-text, AI reasoning, and text-to-speech. The full technical build, from AT commands to production voice conversations.

April 10, 2026

ENTREPRENEURSHIP | 15 MIN READ

Running a Company with AI: One Founder, Eight Repos, Zero Employees

How I run a full-stack IoT company solo using AI. Hardware, firmware, backend, web, mobile, CRM, AI agents, and marketing. No employees, no co-founder. Here's what actually works, what failed, and what nobody tells you about building a one-person startup with AI in 2026.

April 7, 2026