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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

My markdown to epub converter

Tool to quickly convert web articles into epub files

After buying a tiny eINK reader, now it's time to have a tool to easily convert articles to epub so that we can read it anywhere

I stared walking, thanks to WalkScape!

Like RuneScape, but gets you fit

For the past months, while in Asia, I've been testing a mobile app called Walkscape, and boy it's fun. Let me tell you all about it

Adding a DIY Hotspot to the Helium Blockchain

From $20 LoRa hat to $150 daily HNT earnings in the people's network

Build a DIY Helium hotspot using Raspberry Pi and LoRa gateway. Complete guide to join the Helium blockchain network, earn HNT tokens, and contribute to the IoT revolution.

Running a Helium Miner on DigitalOcean

Cloud mining for the people's network with $100 free credits

Set up a Helium blockchain miner on DigitalOcean cloud server. Complete tutorial for running HNT mining in the cloud with Docker, including $100 credit bonus guide.

My Overnight Sensation Speaker Build

Designing custom speaker cabinets for audiophile-grade home audio

Build your own Overnight Sensation speakers with custom cabinet design. Complete DIY audio project including woodworking, crossover assembly, and acoustic tuning.

Accessing a FreeNAS Jail via SSH Tunnel

Secure remote administration through encrypted SSH tunneling

Learn how to securely access FreeNAS jails remotely using SSH tunneling. Complete guide for network administrators managing NAS systems over secure connections.