A case in point is this super-low-cost RF power sensor that [Tech Minds (M0DQW)] recently built. It’s based on a design by [DL5NEG] that uses a single Schottky diode and a handful of passive ...

KIMS has developed the world's first highly flexible and ultra-sensitive ammonia sensor technology, utilizing a low-temperature synthesized copper bromide film. A research team from the Energy & ...