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 ...

Smart blind shoe is a project which is useful for the visually impaired people.It can detects the objects with the help of ultrasonic sensor and sends signals to the Arduino nano.The Arduino nano then ...

Connect the Trigger (Trig) pin of the ultrasonic sensor to digital pin 2 on the Arduino. Connect the Echo pin of the ultrasonic sensor to digital pin 3 on the Arduino. Connect the positive (anode) leg ...

Design of Arduino Smart Dustbin. I created the custom open and close Lid design and Ultrasonic sensor holder specifically for this Arduino Nano Smart dustbin project, and you can see screenshots of ...

The design of a “third eye for the blind,” which employs ultrasonic waves to detect surrounding obstructions and notify users with a buzzer sound or vibration, is made feasible by the collaboration of ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...