Summary of Robotic Eye using Arduino
This article details a DIY "Robotic Eye" project using an Arduino to detect obstacles. The system employs three infrared sensor modules mounted on a servomotor, allowing the "eye" to scan its environment. Key advantages include frequency modulation that prevents interference from ambient light. The build involves mounting sensors on a shield board and attaching them to a servo-driven Styrofoam ball for visual effect.
Parts used in the Robotic Eye:
- An Arduino board
- A sensor shield board
- 3 infrared sensor modules
- A standard servomotor
- A Styrofoam ball
- wires
Hello, This time I will show an application of the infrared sensor module with Arduino.
This module (composed of a pair of LEDs, a infrared transmitter and a receiver and an IC that generates a frequency modulated) is generally used to detect obstacles in robots.
This module has some advantages over a simple LED emitting LEDs with a photodetector. The principal, in this case is that the emission frequency is modulated, preventing ambient light makes the receiver detect the wrong signal. Also, the construction module that facilitates interconnection and didactic use with the Arduino.
Step 2: Mounting
Cut the Styrofoam ball to hold the arm of the servomotor, paint the Styrofoam ball in the shape of an eye, fit the servo arm in the eye and fit them into the servo.
Step 3: Mounting the Shield and connecting sensors
Mounting the Shield in Arduino, install the sensors with the aid of wires.
Note: The receiver module has 4 pins.
– A 5V
– 1 GND
– 1 OUT
– Enable (works to enable the module when it is without the jumper)
* Be careful not to inveter wires.
How to connect the wires:
Shield -> Sensors
pin 12 -> left sensor
pin 11 -> center sensor
pin 10 -> right sensor
Materials
– An Arduino board
– A sensor shield board
– 3 infrared sensor modules
– A standard servomotor
– A Styrofoam ball
– wires
For more detail: Robotic Eye using Arduino
- What is the primary function of this project?
The application uses an infrared sensor module with Arduino to detect obstacles in robots. - How does the infrared module prevent false signals?
The emission frequency is modulated, preventing ambient light from making the receiver detect the wrong signal. - Which pins connect the sensors to the shield?
Pin 12 connects to the left sensor, pin 11 to the center sensor, and pin 10 to the right sensor. - Can the infrared module be disabled manually?
Yes, the Enable pin works to enable the module when it is without the jumper. - What material is used to create the eye shape?
A Styrofoam ball is cut and painted to hold the arm of the servomotor and resemble an eye. - How many infrared sensor modules are required?
The project requires 3 infrared sensor modules for left, center, and right detection. - Why is a sensor shield board used?
The shield facilitates interconnection and didactic use with the Arduino by simplifying the construction. - What components make up the infrared sensor module?
The module is composed of a pair of LEDs, an infrared transmitter and receiver, and an IC that generates a frequency modulated signal.
