Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
Mass Produced Micromachined Ultrasonic Time-Of-Flight Sensors Operating in Different Frequency Bands
Abstract: This paper presents a new family of ultrasonic time-of-flight (ToF) sensors, which each incorporate AlN piezoelectric micromachined ultrasonic transducers operating at 175 kHz, 85 kHz, and ...
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