An Arduino project implementing a security alarm system featuring PIN code access via a 4x4 keypad, status updates on a 16x2 LCD, motion detection using an HC-SR04 ultrasonic sensor, and ...

The sensors ... the code also implements timeout handling. If no data is received for more than five seconds, the system considers itself offline. In this case, the LCD screen displays a "System ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

ROME—NATO is working on finalizing a stand-in jamming capability code in the coming months that could provide an impetus for more member states to introduce such systems. The code should be ...

The robot detects obstacles, makes navigation decisions, and autonomously traverses mazes. Includes Proteus simulation and Arduino code for easy implementation. Project Overview This project showcases ...

In this Arduino ... flame sensor or smoke sensors detects fire and smoke. At the same time, it also triggers the onboard LED and buzzer for alarm purposes. It also keeps a check on Wi-Fi connectivity ...

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Abstract: In this study, we propose an ultrasonic tactile sensor for real time contact force measurements and high-resolution shape recognition to enable safe and reliable robotic grasping of objects ...

A pocket-size ultrasonic bladder-volume sensor has been constructed and tested with successful results. This paper describes the sensor and presents results from its use on healthy volunteers.