Calculate the frequency and/or duty cycle of an astable 555 timer.

Creating a GPS tracker is an exciting project, especially for beginners interested in electronics and software development. It’s a project that… ...

The Mostronome is a 1975 electronic metronome that reimagined musical timing with its whistle-like tone. This vintage circuit ...

Around these parts, projects needlessly using a microcontroller where a simpler design would do are often derided with the catch-all “Should have used a 555,” even if the venerable timer chip ...

The 555 datasheet says a pulse on reset will override trigger and also force discharge of C1. In Figure 1, R3 and C2 provide ...

Maybe it’s always 5:55 when you happen to glance at the clock, or your oat milk and matcha combo comes to $5.55, or your dream apartment’s address just so happens to be located at 555 XZY Street.

If you love retro games and enjoy DIY electronics, this project made by YK Electrical is perfect for you. It’s a tiny handheld gamepad powered by… ...

Tattoos. Body paint. Henna. All these are popular kinds of body art with varying histories and cultural connotations, many going back centuries or even longer. They all have something in common ...

Whatever your needs, there is an app out there that works. Here are the best timer apps for Android. Of course, if all you need is something quick and basic, you can ask Google Assistant ...

Set up the perfect shot, then get in it yourself, thanks to the iPhone camera timer! Select the perfect camera delay to give you plenty of time to get into position. Tap the iPhone photo timer icon, ...