Let’s say a corporate engineer or a consultant is coming to your station to diagnose and repair a problem using an RF spectrum analyzer. This would be a great time to schedule a meeting with your ...

Wi-Fi! It’s everywhere, and yet you can’t really see it, by virtue of the technology relying on the transmission of electromagnetic waves outside the visual spectrum. Never mind, ...

As technology marches on, gear that once required expensive lab equipment is now showing up in devices you can buy for less than a nice dinner. A case in point: those tiny displays originally sold ...

Nextion Arduino library provides an easy-to-use way to manipulate Nextion serial displays. Users can use the libarry freely, either in commerical projects or open-source prjects, without any ...

Abstract: We present an ultra-broadband and inexpensive photonic spectrum analyzer (PSA) for wireless signals with a frequency coverage from the microwave range till deep into the terahertz range. The ...

Abstract: In this paper, we present a way to integrate the RTL-SDR dongle into the Web. The aim of this paper is to describe a fully functional low-cost embedded system for frequencies analysis based ...

Example: To send the nextion command "page0.Ah1.val=123" to the Nextion (update Nextion object Ah1 on page0 to the value 123): {"D": "ESP-Display", "CMD": "page0.Ah1 ...