Alarms system with a four digit security code. The alarm system uses an ultrasonic sensor to detect motion when it is armed and uses a sound sensor to detect loud sounds such as the breaking of glass.

Prototype I was designed using an ELEGOO Mega board, LCD, Ultrasonic Sensor, buzzer, and a 4x4 matrix keypad. Fig. 1.1 shows the internal wiring used for prototype I. Most of the digital and ...

I have connected the Servos power rails to another Arduino board (red colour) and connected the Bluetooth module HC-05 and Ultrasonic sensor HC-SR04 to the Arduino mega. CAUTION: Powering up all these ...

IR Sensor Pinout. The IR sensor has a 3-pin connector that interfaces it to the outside world. The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V ...

A simple Arduino based experiment was designed to measure the acceleration caused by gravity during the free fall motion of the object through air. This physics experiment can be carried out to ...

This study uses Arduino Mega microcontroller as the main control, proximity sensor to detect the presence of glass, and the HC-SR04 ultrasonic sensor as a determinant of high water levels and an SD ...

This study focuses on the development of an obstacle avoidance robot controlled by an ultrasonic sensor. The robot utilizes robotics and artificial intelligence techniques to improve obstacle ...

Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to use an ESP32-Cam as a motion sensor in his latest animatronic creation. You can see a video of the device and ...