THIS CODE WILL PROVIDE A DEMO USE OF THE HC-SR04 CONNECTED TO AN ARDUINO NANO (ATmega328p) THINGS YOU NEED FOR THIS DEMO: 1.) Install Arduino IDE 2.) Install CH340 Driver (Google how to install CH340 ...

超声波洗手液电路通过反射的超声波检测人手的存在，并暂时触发继电器电磁泵，将消毒液分配到用户的手上。 该项目使用流行的HC-SR04超声波传感器模块来实现所需的传感功能。 使用 HC-SR04 HC-SR04超声波传感器模块由几个专用超声波换能器组成，额定工作频率约 ...

超音波センサHC-SR04とArduinoで距離を測定する https://rb-station.com/blogs/article/hc-sr04-arduino 解説記事 : 超音波センサHC-SR04とArduinoで ...

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His hardware hack of the SR04 made this a software problem which he also managed to solve! [Clint] was working with the Arduino library, based on the Parallax PING, which uses a single pin for trigger ...

Abstract: The automation of height-increasing bridges during floating events is a crucial engineering challenge in areas prone to flooding or water surges. It proposes a solution to adjust the bridge ...