It emits an ultrasound at 40 000 Hz which travels through the air and if there is an object or obstacle on its path It will bounce back to the module. Considering the travel time and the speed of the ...

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 ...

Posted in Arduino Hacks Tagged arduino, HC-SR04, sonar, stepper motor, trash can YAGDO – Yet Another Garage Door Opener March 25, 2016 by Bob Baddeley 19 Comments ...

- Arduino Nano Microcontroller - Small 9g servo motor - and two HC-SR04 Ultrasonic modules At startup, is tested the movement of the servo motor. Immediately after that, the radar starts scanning.

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 height ...

Posted in Arduino Hacks, Wireless Hacks Tagged arduino, HC-SR04, lm386, lm393, ultrasonic The Simplest Possible DIY Ultrasonic Levitator April 23, 2018 by Elliot Williams 12 Comments ...