My DotKlok
Post-gym excitement meets purple PCB and Sure Electronics LED matrix magic
Build your own DotKlok LED matrix clock using Arduino and Sure Electronics 24x16 display. Complete DIY project with PCB, programming, and custom effects guide.
Welcome!
Hello, my name is Daniel, a software engineer and hardware hacker. For the past 5 years, I've been focused on the intersection between crypto and hardware, mainly on the DePIN space, AI, and Robotics.
I'm the co-founder of Hotspotty and DePIN Hub.
This is my corner of the internet, where I share my thoughts, projects, and ideas.
"Stay Awhile and Listen" - Deckard Cain 🎮
Recent Posts
Femtoduino: an ultrasmall arduino board
Tiny powerhouse packs full Arduino compatibility in miniature form factor
Discover the Femtoduino - an ultra-small Arduino-compatible board with ATmega328P. Perfect for space-constrained projects requiring full Arduino functionality in minimal footprint.
Open Hardware Definition 1.0 Released
Establishing standards for open source hardware development and licensing
Learn about the Open Hardware Definition 1.0 release and its impact on electronics community. Understanding open source hardware standards, licensing, and collaborative development principles.
Working with LEDs and Resistors
Master Ohm's Law and current limiting for safe LED circuits
Learn how to properly use LEDs with resistors using Ohm's Law calculations. Complete electronics tutorial covering current limiting, voltage drops, and safe LED circuit design for beginners.
Building a Breathalyzer with MQ-3 and Arduino
Ten LEDs and alcohol gas sensor bring party safety to Florianópolis electronics meeting
Build an Arduino-based breathalyzer using MQ-3 alcohol gas sensor and 10 LEDs. Complete tutorial with circuit diagram, code, and step-by-step assembly instructions for DIY electronics projects.
10 Cool Things to Do in OSX Terminal
Power user tips for mastering the macOS command line
Discover 10 powerful macOS Terminal commands and tricks to boost productivity. Essential command-line tips for Mac developers, system administrators, and power users.