Seeed Studio Wio-LR1121 is a tiny, multi-band LoRa module based on LR1121 RF transceiver, a low-cost version of LR1120 ...

Current bulk acoustic microresonators offer improved resolution respect to Quartz Crystal Microbalance and Surface Acoustic Wave devices, but tend to be brittle during operation as sensors or requires ...

Ultrasonic imaging has become a very promising technology, and it has been widely applied in biomedicine, geology, and other fields due to its advantages of safety, nondamaging, and real time.