![]() All in all, our hacker went all in on the capabilities while embracing the constraints. He’s also added a fair number of animations, put plenty of effort into clock precision verification, and even investigated some Neopixel protocol minutiae. A manufacturing-grade amount of build information that won’t leave you guessing. In the best of hacker traditions, all the source files are on Github - if you fancy yourself a Dutch word clock, you can build ’s design easily! He provides extensive instructions on building this clock in the README, including a flashing and configuration tutorial, complete wiring diagrams, and a soldering guide. ![]() This shows that the calculations indeed match the clock’s real consumption when measured by an external meter. ![]() For instance, he demonstrates Neopixel power measurements and current consumption calculations. At some point, he switched from LEDs to Neopixels, and dug deep into addressable LED technology. Extra effort had to be spent designing the layout - mentions his friend writing a solver that found a way to fit some words onto the layout diagonally. Thankfully, in Dutch, time can be expressed using shorter words - still, it had to be limited to 5-minute intervals. The 8×8 limitation was initially set because he wanted to use a low-cost MAX7219 8×8 LED matrix module as a base for the clock. ![]() If you’re looking to build a novel word clock, you’re all set here – tells all about this project’s story and provides a treasure trove of insights into designing all of its aspects! For a word clock, it’s surprisingly small – in fact, it uses an 8×8 addressable LED matrix, with words shown in different colors. For a start, this clock is a shining demonstration of hobbyist-available 3D printing technologies, with embedded light guides for the letters printed in transparent filament, thanks to a dual-extruder printer. Shares a word clock project – but not the regular kind. ![]()
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