It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

There are two types of clocks and they tell the time in different ways. Analogue clocks have a face with numbers from 1 to 12 and two hands. The hands move and point to the numbers to show what time ...

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...

A watch that tells digital time with analog machinery.

Digital clock projects have been with us since the 1970s, when affordable LEDs and integrated circuits became available. In 2026 most of them use a microcontroller, but for the AliExpress fans there’s ...

Yesterday, I wrote about a 2-year-old open-source hardware ESP32-based DAB+ receiver project, but it turns out there's also a ...

As chip designs grow in complexity and face tighter power constraints, depending on a single clock domain is no longer ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...

The best digital calendars can help keep your family synced on appointments, practice schedules and meal plans—and they can organize grocery lists, chore charts and recipes. After months spent ...

In this video I'm using the Reyax RYRR30D NFC module to create a system that logs records to a Notion Database. The RYRR30D module can work with Apple Wallet and Google SmartTap passes as well as ...

An analogue clock, a clock with hands, shows the numbers 1 through to 12. It is a 12-hour clock. The first 12 hours of the day, from midnight to midday, are called am. The next 12 hours, from midday ...