Denis Hartl
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AI Sitting Posture Detection with NVIDIA Jetson Orin Nano: Model Training and Preparation (Part 1)
AI posture detection

AI Sitting Posture Detection with NVIDIA Jetson Orin Nano: Model Training and Preparation (Part 1)

Train a custom YOLO model for sitting posture detection on Jetson Orin Nano. Includes data collection, training, TensorRT optimization, and full GitHub code.
02 Jan 2026 21 min read
NVIDIA Jetson Orin Nano: Getting Started with YOLO
AI

NVIDIA Jetson Orin Nano: Getting Started with YOLO

A beginner's guide to running YOLO on the NVIDIA Jetson Orin Nano. Covers setup challenges, camera streaming in Jupyter, and hands-on examples of object detection, segmentation, classification, and pose estimation.
22 Dec 2025 11 min read
NVIDIA Jetson Orin Nano: First Impressions & Initial Setup
AI

NVIDIA Jetson Orin Nano: First Impressions & Initial Setup

First impressions and complete setup guide for the NVIDIA Jetson Orin Nano Developer Kit. Covers hardware assembly, SSD and camera installation, SDK manager troubleshooting, and remote access configuration.
16 Dec 2025 11 min read
Exploring collaborative AI Coding Agents
AI

Exploring collaborative AI Coding Agents

An experiment with manually orchestrating multiple Claude Code agents—Architect, Engineer, and Documenter—to build a chess web app. Covers planning, workflow, prompts, and lessons learned about working with collaborative AI coding agents.
30 Nov 2025 19 min read
How to Automate Hevy Workout Tracking with Notion and Azure Functions
Azure

How to Automate Hevy Workout Tracking with Notion and Azure Functions

Automatically sync Hevy weight lifting workouts to Notion using Azure Functions and webhooks. Includes database design, Notion charts for visualization, and complete code on GitHub.
15 Nov 2025 9 min read
How to get free tokens for the OpenAI API
AI

How to get free tokens for the OpenAI API

Get daily free tokens for the OpenAI API by enabling data sharing. Learn about eligibility requirements, token limits by model, and the trade-offs you should know before opting in.
03 Nov 2025 4 min read
Exploring the Bicep @onlyIfNotExists decorator
Azure

Exploring the Bicep @onlyIfNotExists decorator

The Bicep @onlyIfNotExists decorator lets you create resources once without overwriting them on subsequent deployments. Perfect for Key Vault secrets and other "create but don't touch" scenarios.
01 Nov 2025 2 min read
Tracking workouts from Apple Fitness in Notion using Azure Functions and AI
Azure

Tracking workouts from Apple Fitness in Notion using Azure Functions and AI

An over-engineered solution to sync Apple Fitness workouts to Notion. Uses an iOS Shortcut to capture workout screenshots, Azure Functions for processing, and Azure OpenAI to extract the data automatically.
31 Oct 2025 5 min read
Adding MCP Servers to Agents in Azure AI Foundry
Azure

Adding MCP Servers to Agents in Azure AI Foundry

Learn how to connect MCP servers to Azure AI Foundry agents using Python. This guide covers unauthenticated and authenticated connections, tool approval workflows, and current portal limitations.
24 Oct 2025 7 min read
Expanding Azure AI Foundry Agents with files & documents using the built in vector document store
Azure

Expanding Azure AI Foundry Agents with files & documents using the built in vector document store

Learn how to enhance Azure AI Foundry agents with document knowledge using the built-in vector store. A step-by-step guide covering agent creation, PDF file uploads, and querying your documents with AI.
19 Oct 2025 3 min read
Exploring Private Endpoint routing in Azure
Azure

Exploring Private Endpoint routing in Azure

Private Endpoints in Azure automatically create /32 routes that can bypass your firewall—even with a default route configured. Learn how this routing behavior works and how to regain control using Private Endpoint Network Policies.
17 Oct 2025 5 min read
Run Notion MCP Server in Azure Container Apps
Azure

Run Notion MCP Server in Azure Container Apps

Learn how to deploy the official Notion MCP server on Azure Container Apps using Bicep. This guide covers why the Azure CLI approach fails with double-dashed arguments and provides a working Bicep template to get your MCP server running for use with n8n and other automation tools.
12 Oct 2025 5 min read
3D printed organizer for Sage (Breville) Barista Pro
3D printing

3D printed organizer for Sage (Breville) Barista Pro

A custom 3D printed organizer for the Sage/Breville Barista Pro espresso machine. Holds tamper, portafilter, WDT tool, puck screens, RDT spray, and milk jug—all in one compact space on top of the machine.
06 Oct 2025 3 min read
Back up Home Assistant to Azure
Azure

Back up Home Assistant to Azure

Protect your Home Assistant data from disaster with off-site backups to Azure Storage. This guide walks you through the complete setup—from creating an Azure Storage Account to configuring the Home Assistant integration—all for about 1 cent per month.
05 Oct 2025 5 min read
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