This 3d printable shell and Arduino source code will let you build your own RC transmitter for planes, quadcopters, rovers, boats, robots, etc. Hardware needed: Radiomaster zorro-sized AG01 mini; or ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

Abstract: In orthogonal time frequency space (OTFS) systems, the impact of frequency-dependent Doppler which is referred to as the Doppler squint effect (DSE) is accumulated through longer duration, ...

Abstract: The receiver is one of the tools more used in EMC testing. For its correct operation it shall meet the requirements specified in CISPR 16-1. However till now the interest has been mainly ...