Author

Len

@lennart.dde

articles: 13
total claps: 1,042
top claps: 211
avg read: 5.1 min
paywalled: 13
active: 2025-07-17 → 2026-07-14

Wiki topics

⏱️ · Productivity · 6 🔒 · Cybersecurity · 3 AI · AI · General · 2 RAG · RAG & Retrieval · 2 🔬 · Science · General · 2 🔧 · Data Engineering · 2 PFI · Personal Finance · 1 🐾 · Pets & Animals · 1

Top tags

#obsidian ·5 #writing ·5 #phd ·3 #data-privacy ·3 #notetaking ·3 #notes ·3 #immich ·2 #tailscale ·2 #digital-nomads ·2 #ai ·2

TCH HUM

LE Len

I Ignored Zotero for Two Years… Then One Update Changed My Entire Research Workflow

Or how a “boring reference manager” quietly became the center of my PhD life.

Mar 28, 2026 · 5 min read · 211 claps paywalled #phd #zotero #research

I Ignored Zotero for Two Years… Then One Update Changed My Entire Research Workflow

LIF

LE Len

Obsidian as a Long-Term Memory for Multi-Year Research Projects

My PhD changed topics, supervisors, and directions — my notes survived all of it. That’s when I realized Obsidian wasn’t a note app for me…

Jan 17, 2026 · 4 min read · 191 claps paywalled #writing #phd #long-term-goals

Obsidian as a Long-Term Memory for Multi-Year Research Projects

LIF

LE Len

Why My Obsidian Notes Got Better When I Stopped Using Templates

The day I deleted all my Obsidian templates was the day my notes got smarter. Not prettier. Not more consistent. Just… more useful.

Feb 28, 2026 · 4 min read · 133 claps paywalled #obsidian #writing #writing-template

Why My Obsidian Notes Got Better When I Stopped Using Templates

LIF SCI

LE Len

How to Turn Obsidian Into Notion Using Just 3 Plugins

There’s a moment almost everyone hits when they switch from Notion to Obsidian.

May 02, 2026 · 5 min read · 131 claps paywalled #obsidian #notion #phd

How to Turn Obsidian Into Notion Using Just 3 Plugins

LIF

LE Len

Pimp your obsidian diary! Daily + Weekly template

Most daily-note setups in Obsidian are fine until you want a bird’s-eye view. You write a few todos on Monday, a few more on Wednesday, and…

Jun 14, 2026 · 5 min read · 103 claps paywalled #obsidian #daily-notes #template

Pimp your obsidian diary! Daily + Weekly template

LE Len

Knowledge Graphs & Graph RAG, Hands-On

A work-along tutorial, continuing the series (RAG → Agents → LangChain → Vector DBs → this). Your vector RAG retrieves similar chunks. But…

Jul 14, 2026 · 7 min read · 82 claps paywalled #knowledge-graph #ai #ai-agent

MDA LIF SCI

LE Len

How to Build a Paper Reading Tracker with Dataview

I Finally Built a Paper Reading Tracker in Obsidian (And Yes, It Changed My Research Life) Tracking academic papers used to be a mess of…

Jul 26, 2025 · 5 min read · 67 claps paywalled #obsidian #dataview #writing

How to Build a Paper Reading Tracker with Dataview

TCH ECO

LE Len

Self-Hosting in 2026: A Raspberry Pi, Tailscale, and the End of the Cloud Tax

An $80 computer, $0/month in network plumbing, and four services that quietly replaced everything I was paying Google for. A walkthrough…

Jun 10, 2026 · 6 min read · 60 claps paywalled #self-hosting #data-privacy #immich

Self-Hosting in 2026: A Raspberry Pi, Tailscale, and the End of the Cloud Tax

LE Len

How I Keep My Onyx Boox in Sync Without Losing My Mind

Onyx Cloud, WebDAV, Tailscale, and Zotero — yes, it’s a Frankenstein, but it works.

Aug 02, 2025 · 5 min read · 43 claps paywalled #onyx-boox #notes #notetaking

How I Keep My Onyx Boox in Sync Without Losing My Mind

LIF

LE Len

How I Turned My Onyx Boox Go into a Second Brain

Boxes next to headings, stars for highlights, and tags to rule them all.

Jul 17, 2025 · 5 min read · 12 claps paywalled #onyx-boox #e-ink #notes

How I Turned My Onyx Boox Go into a Second Brain

LE Len

✒️ Stylus Showdown: Testing (Too Many) Pens on My Boox Onyx So You Don’t Have To

I started with one pen. Now I have five. My wallet is mad, but my handwriting is happy.

Aug 30, 2025 · 4 min read · 9 claps paywalled #e-ink #writing #digital-notetaking

✒️ Stylus Showdown: Testing (Too Many) Pens on My Boox Onyx So You Don’t Have To

AI TCH

LE Len

The “Private” Folder in Your Drive Isn’t Private to the Model

Microsoft says they don’t train on your files. The thing being said and the thing being denied are different. Here’s the distinction nobody…

Jun 27, 2026 · 7 min read · 0 claps paywalled #google-drive #google #ai

The “Private” Folder in Your Drive Isn’t Private to the Model

TCH AI

LE Len

Immich’s Rise: Why the AI Era Should Push You Away From Google Photos

For years, cloud photo storage followed a simple tradeoff: convenience in exchange for control. Services like Google Photos became the…

May 23, 2026 · 4 min read · 0 claps paywalled #google #privacy #data-privacy