QuadRF is a new open-source software-defined radio system that enables radio direction finding by combining four antennas, an FPGA, and a Raspberry Pi 5 to detect and visualize signals in the 4.9-6.0 GHz range. Its standout RF camera feature scans the frequency range at 30 fps and visualizes signal directions in real-time, allowing developers to track transmitters like drones and see radio emissions overlaid on camera feeds. Developers should verify local regulatory compliance before transmitting, as some RF applications trigger arms regulations.
Read the full article at Hackaday
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Ali NematiWritten by Ali
