OurPCB, a reliable PCB & PCBA service manufacturer and provider, today published an "Arduino Ultrasonic Sensor-A Complete Guide on HC-SR04." Shijiazhuang, China, November 23, 2018 (Newswire.com) - ...
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 ...