An Arduino circuit controlling Ultrasonic sensor along with LCD. This circuits connects the sensor to the screen and the arm via Bluetooth. It will send a signal when a person is closer than 50 cm to ...

Connect the hardware components as per the circuit diagram. Click on the image for TinkerCAD file. Turn on Bluetooth on your Android Device and Connect to 'HC-05'. The Default password is usually 1234 ...

The Internet of Things (IoT) framework has transformed sensor data utilization, ushering in a new era of sensors integrated into various aspects of modern environment. A pressing concern in the realm ...