A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time) up to $20 shipping discount on first order (PCB ...

Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

I tried four vibe-coding tools, including Cursor and Replit, with no coding background. Here's what worked (and what didn't).

Fossil fuels have been consumed rapidly over recent decades, and their availability is decreasing. Because of this, there is a growing focus on renewable energy sources. Solar energy is one of the ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

The purchase of a Broadway Limited Imports HO scale Reading Co. class T1 4-8-4 left Chris Russo wanting more — the ability to access the Digital Command Control functions built into the new model.

Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...

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