// This code is for free and unrestricted public use. // This file contains code to simulate radar operation with: // Arduino-Uno-R3 microcontroller board, // HC-SR04 Ultrasonic sensor, // SG90 Servo ...

PIN Code Access: Secure the system with a 6-digit PIN. LCD Display: 16x2 LCD for user interaction and status updates (e.g., "Enter Pin", "Alarm Active", "Motion Detected"). Keypad Input: A 4x4 matrix ...

Ultrasonic RAdar System (URAS): Arduino and Virtual Reality for a Light-Free Mapping of Indoor Environments Abstract: Recently, academia and industry have focused on the creation of new systems for ...

Smart Blind Stick using Arduino Circuit Diagram. The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

One way to accomplish this involves four HC-SR04 ultrasonic sensor units that transmit data through an Arduino into a Linux computer. The end result is a virtual touchscreen that can be made at home.

Makers, Arduino enthusiasts and students looking to learn more about ultrasonic sensors, may be interested in this DIY Arduino radar created by Mr Innovative. Capable of detecting objects placed ...

Ultrasonic RAdar System (URAS): Arduino and Virtual Reality for a Light-Free Mapping of Indoor Environments ... ultrasonic radar system, to blindly map environments by using ultrasonic sensors, then ...