Today we are adding one more Security Alarm in our list which is based on Ultrasonic Sensor. This Arduino Controlled Door alarm can be installed near the door to detect the presence of anybody at the ...

1 Arduino Ultrasonic Sensor (HC-SR04) 1 buzzer; Ultrasonic sensor, mounting circuit; It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other ...

Setup power supply by connecting one end of a jumper wire to 5v pin of the Arduino Uno and the other to the "+" on the breadboard. Connect another wire to the GND pin on the uno and the "-" of the ...

The obstacle detection alarm with ultrasonic sensor using Arduino is designed. When any obstacle is placed on sensor path less than 8 cm, the buzzer will buzz with indication of red LED & also the ...

In this project, the ultrasonic sensor module type KY-050 is used together with an Arduino and a type KY-012 active buzzer to help while reverse parking our vehicle. As the distance to the objects ...

In this mode, you can interface the HC-SR04 ultrasonic ping sensor with a servo motor and the main board (Only some reward tiers include the extra servo motor PCB and servo motor kit).