The company's sensor uses sonar and echos to give robots more information about their surrounding environment.

This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Drag and drop the Operation.bat file into the powershell terminal and hit enter to run it. Open the Arduino IDE and paste the provided code from SSD1306.h into the editor. Make a new tab in the ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...