Analog designers tend to stick with a component that they have used successfully, even if it’s a few years old and could easily be replaced.

It is well known that a 555 timer in astable mode can be frequency modulated by applying a control voltage (CV) to pin 5. The schematic on the left of Figure 1 shows this classic 555 VCO. Figure 1 ...

Drag the blue arrow to set a timer. Release to start! Click to pause. When the time is up, a notification will show up with a nice sound. Create new timers with CMD+N. Inspired by the great Minutes ...

In our fast-paced world, where time management is key to productivity and organization, countdown timers serve as essential tools in both our personal and professional lives. Whether it’s for tracking ...

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber ...

I built a programmable 16-bit computer using only simple logic gates. The 16-bit computer is just able to add and subtract. The computer's clock is used to synchronize all operations. The clock we're ...

The ESP32-CAM is one of the most popular development modules, featuring built-in Wi-Fi and a camera. With its robust 32… ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.