Do you remember your first portable radio? For Sjef Verhoeven, it was a Sony Walkman in 1993. As is common in the Netherlands, he would often ride his bike. That spring, he heard FM stations from the ...

Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

The HackRF One software defined radio (SDR) originally designed by Great Scott Gadgets has been a constant success ever since its introduction a few years ago. A pure open-source development, the ...

This document is aimed at the Arduino developers, radio experimenters, hobbyists and anyone interested in building a receiver based on the Si473X IC family from Silicon Labs. This project is about an ...

In our day-to-day life, we use various gadgets such as television, set-top boxes, air conditioners, home theatre, DVD players, and many other remote-operated devices. Different gadgets means ...

这个 5 轴 CNC 路由器可能很快就会成为一个开源工具。这是为阿肯色大学建筑学院建造的。它可以用作刳刨机或等离子切割机 ...