CiferTech has recently introduced the nRFBOX V2 ESP32-based wireless hacking tool designed for spectrum analysis, jamming, BLE device emulation, and more. The device is built around an ESP32-WROOM-32U ...

As you will see, by using ultrasonics to send and receive the data, we eliminate the need for expensive RF equipment such as high-speed oscilloscopes, spectrum analyzers, vector network analyzers, not ...

Remote patient monitoring is a critical tool for diagnostics and therapeutics, especially in sparsely populated areas. Wearables with clinical-grade sensing fidelity provide a suitable platform ...

Considering it's been almost impossible to buy a Raspberry Pi for about a year because of supply chain shortages, it's remarkable how many people continue to create interesting and increasingly useful ...

Using a small custom PCB, a Raspberry Pi Pico 2 microcontroller, a scintillator (typically NaI (Tl)) and SiPM you can build your own gamma spectrometer! The needed processing and multi-channel ...

I was having a chat recently with someone, and it surprised me that she had an amateur radio license. I suppose it shouldn’t have come as much of a surprise; after all, getting a ham radio license is ...

This library is tuned for size on the Arduino platform, it will control CLK0, CLK1 and CLK2 outputs for the Si5351A (the version with just 3 clocks out, but you will not be able to use the three at ...

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks. It also is a reasonably simple build. It can count up to 6.5 MHz which isn’t that much, but there’s a lot you can do ...

One challenge of teaching chemical analysis is the proliferation of sophisticated, but often impenetrable, instrumentation in the modern laboratory. Complex instruments, and the software that runs ...

This low-cost portable spectrum analyser can be used to analyse the frequency content of input signals up to 5kHz. Frequency spectrum of an input signal possesses vital information, and the same has ...