The LED Sonic Sensor is referenced to Interfacing Ultrasonic Sensor With Arduino.
The difference I added is a LED.
This is the LED Ultrasonic Sensor. When the object gets close to it a LED will become brighter. It can help you perceived a note of something or someone move nearer to you.
- Arduino Leonardo (You can also use Arduino Uno)
- Ultrasonic Sensor HC-SR04
- Resistor 220 Ohm
- Male-to-male Jumper Wires
- Male-to-female Jumper Wires
- Corrugated Fiberboard (Or other decorating materials
- Plastic box (Or other materials)
- Double-sided tape
- Tape (Not necessary)
- Foam tape (Not necessary)
- Clay (Not necessary)
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Step 1: Circult and Code
Connect everything to Arduino as shown in the picture.
- VCC – > 5V (red)
- TRIG – > 11 (yellow)
- ECHO – > 10 (orange)
- GND – > GND (black)
- Other jumper wires (green)
Here is the code.
Step 2: Outer Case
Put the circuit board in a plastic box. You can also use other materials for the outer case.
Step 3: Insert the Sensor and LED
Drill two holes on the lid of a plastic box. Put the ultrasonic sensor and LED in.
Step 4: Firmly Fixed
I used foam tape, tape, and clay to snap on wires.
This is an unnecessary step
You can do it if you like:)