Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing ...

These are some great DIY projects that you can do for cheap.

When working on a recent Design Idea for an adjustable filter, I wanted to use an electrical noise source to generate an FFT spectrum graph on my oscilloscope. To set up the test, I reached for my ...

How new AI-based SBCs combine CPUs, GPUs, and NPUs to handle edge workloads. Key specs for five 2026 boards from Seeed Studio, Radxa, Kontron, Arduino, and SpacemiT. Which connectivity, storage, and ...

The RetroAV shield provides the interfaces necessary to implement a simple retro style computer user interface using a PS2 keyboard for input, composite video and analog audio for output. It is ...

Thanks to software frameworks and libraries that have become quite powerful over time, even with a compact and inexpensive system, it is possible to achieve complex functions. In this project, we use ...

Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer one of the most efficient ...

The MAX4466 microphone amplifier module is a very versatile and easy-to-use microphone amplifier module. As the name suggests it is based on the MAX4466 amplifier chip from Analog Devices. It offers a ...

Magazine articles with detailed hardware, software, and getting-started descriptions are available for download here (free, for German, French or Dutch versions, search the corresponding Elektor ...

We’ve already covered inexpensive offline voice recognition modules based on US516P6 or TW-ASR ONE microcontrollers that allow people to add smarts to their projects without a network connection for ...