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3D portrait of Daniel Andrade Daniel Andrade smiling

I build useful software and the hardware behind it.

I'm Daniel, a software engineer and hardware hacker working across health data, travel tools, AI, DePIN, and robotics.

I co-founded Hotspotty and DePIN Hub, and I ship independent apps including DaysAbroad and VitalTrends. This is where I share the work and what I learn along the way.

Recent Posts

Is all this really worth it?

Personal reflection on the value and purpose of content creation

A personal reflection on the motivation behind blogging and content creation. Exploring the value of sharing knowledge, building community, and the intrinsic rewards of creative expression.

Showing your last tweet using PHP

Integrate Twitter feeds into your website with PHP and Twitter API

Learn how to display your latest Twitter posts on your website using PHP. Complete tutorial for integrating Twitter API to show recent tweets on your web pages.

BarCamp Floripa 2.0

Unconference brings tech innovation and community to Florianópolis

Join BarCamp Floripa 2.0 - an unconference event bringing together tech enthusiasts, developers, and innovators in Florianópolis, Brazil. Experience community-driven technology discussions and networking.

WordPress 2.2

WordPress 2.2 release brings new features and improvements to popular blogging platform

WordPress 2.2 released with enhanced features and improvements. Learn about the latest updates to the world's most popular blogging platform and content management system.

Big List of Free Stock Photo Websites

Comprehensive collection of websites offering free stock photography

Discover the best free stock photo websites for your design projects. Comprehensive list of royalty-free image resources including Creative Commons and public domain photography.

Happy New Year

New Year wishes and reflection on blogging journey

Happy New Year message with reflection on the blogging journey and gratitude to readers. Personal thoughts on the year ahead and continued commitment to sharing knowledge.