[Learnelectronics] purchased some near-field EMI probes for his tiny spectrum analyzer for about $5 on sale. Could they be any good at that price? Watch the video below and find out. The probes ...

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, ...

The ESP32 Rainbow is a small computer with a built-in touch keyboard, an integrated display, and a design that’s inspired by the Sinclair ZX Spectrum, with a keyboard layout and rainbow stripe that ...