With some software-defined radio tools, it’s also possible to use radar for tracking aircraft in real-time at home like this DIY radar system. Unlike active radar systems which use a specific ...

[Andy] sent in this pdf (mirror) describing a simply diy UWB Radar project. It’s not intuitive, but by using a wide frequency range for low power, short distance purposes, the system should ...

Astronomy enthusiasts looking for a new project to keep them busy, might take inspiration from a new DIY star tracker that has been featured on the official Arduino blog. The 3D printable system ...