Prometheus has been awarded a U.S. patent for a new technology that encrypts and authenticates legacy analog security systems ...

The circuit for the ultrasonic security alarm is designed to facilitate effective communication between the ultrasonic sensor and the Arduino board. The schematic representation of the circuit is ...

The robot utilizes ultrasonic sensors to measure distances and determine the presence of obstacles, employing an Arduino microcontroller to process sensor data and make real ... workspace where you ...

Experimental data on the free fall of a plastic box through the air was gathered with the help of an ultrasonic distance sensor (HC-SR04 ... The simplest and easy to use circuit board available is the ...

2: Block diagram of motion sensor alarm The circuit diagram of the motion sensor alarm is shown in Fig. 3. It consists of a PIR motion sensor (MS1), Arduino Nano (Board1), LM386 audio amp (IC1), and 8 ...