Example: air traffic controller
Search results with tag "Rs40"
Ultrasonic ranging module : HC-SR04
www.electroschematics.comA short ultrasonic pulse is transmitted at the time 0, reflected by an object. The senor receives this signal and converts it to an electric signal. The next pulse can be transmitted when the echo is faded away. This time period is called cycle period. The recommend cycle period should be no less than 50ms.
平成 30 年測量士補試験問題集 - gsi.go.jp
www.gsi.go.jp3 SR04 〔No．1〕 次の文は，測量法（昭和24年法律第188号）に規定された事項について述べたものである。
Ultrasonic Ranging Module HC - SR04 - Hrvatski
e-radionica.comTech Support: services@elecfreaks.com Ultrasonic Ranging Module HC - SR04 Â Â Â Product features: Ultrasonic ranging module HC - SR04 provides 2cm - …