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Professionals Need an AI Pen

In fast-paced professional environments, capturing ideas quickly and accurately is critical, and that's exactly where an AI pen shines. D...

Nexus PenMar 23, 20261 min read

Introducing Nexus Pen

Meet Nexus Pen, an AI pen with a built-in color display and speaker, powered by Donna, an assistant that answers questions while you write on paper.

Nexus PenMar 23, 20261 min read

Tech Gifts for College Students 2026

Tech gifts for college life in 2026, from AI pens to smart notebooks, picked to make studying easier.

Nexus PenMar 23, 20261 min read

AI Pen for ADHD Focus

A single-purpose AI pen with no apps and no notifications, for fewer distractions while you study. A study tool, not a treatment for ADHD.

Nexus PenMar 23, 20261 min read

AI Pen for Studying 2026: What to Look For

What to look for in an AI pen for studying in 2026: real ink, no distractions, specialized modes, audio output and a companion app.

Nexus PenMar 23, 20261 min read

HD Audio Pipeline

How Nexus Pen gets clear 16kHz voice audio out of a pen-sized speaker: u-law encoding, burst delivery over the wireless link, and a class D amplifier.

Nexus PenMar 23, 20261 min read

How Nexus Pen Works

Inside Nexus Pen: the ESP32 microcontroller, color display, microphone and speaker, and how your voice reaches Donna and her answer comes back to the pen.

Nexus PenMar 23, 20261 min read

Why We Put a Color Display on a Pen

Why Nexus Pen has a 1.14 inch color IPS display, what it shows, and how we keep audio smooth while the screen refreshes.

Nexus PenMar 23, 20261 min read

Technology Behind Nexus Pen

Behind the sleek design of the Nexus Pen lies a sophisticated stack of hardware and AI software working in perfect harmony. This article ...

Nexus PenMar 23, 20261 min read

5 Ways to Boost Your Workflow

Discover five practical strategies for streamlining your daily workflow using the power of AI-assisted writing tools. From smarter note-t...

Nexus PenMar 18, 20261 min read