[Steven Merrifield] built his own Scalar Network Analyzer and it’s a beauty! [Steve]’s SNA has a digital pinout matching a Raspberry Pi, but any GPIO could be used to operate the device and retrieve ...

A spectrum analyzer, engineer Mark Persons explains, is a marvelous tool that creates a “window” into the world of radio ...

Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal ...

This company is a total rip-off. First of all, they auto-renewed my website three months ahead of time. Then I paid to renew my SSL certificate. I have had this website since 2009. Then they said that ...

Working from home by day, gaming and streaming by night? Defeating Wi-Fi dead zones is more important than ever. A mesh network system can help, and these are the best we've tested. I’ve been working ...

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