Tilt sensors are one of the main components used in the construction of buildings and structures. Tilt sensors measure the angle of tilt or inclination with respect to the vertical plane. In a structure that is being constructed, the tilt sensors are used to check if the plane does not have any imbalances.
So let us know more about the sensor and its basics by building a project with Arduino to observe the working with small inputs. We shall begin with the Hardware requirements.
Hardware Requirements
Arduino UNO
Develop a stronger concept in Arduino through this article:- What is Arduino?
Arduino board is a microcontroller that is used to accept inputs from sensors connected and provide an output action on the desired device connected to it. The sensor inputs can be that from light-detecting sensors, flame sensors, temperature sensors, etc. The output function done by the devices can be turning on an LED, the sound of a buzzer, or a Serial monitor display.
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2. Piezo Buzzer
It is an electrical component that generates a beep sound on receiving an input. It works on the principle of #piezo crystal.
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3. LED
Light Emitting Diode is a commonly used light source. It is a semiconductor that emits light when current flows through it.
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4. Tilt Sensor
A tilt sensor is a device used to measure the #inclination and give digital output based on the angle of tilt. The sensor gives digital HIGH value when there is a tilt in the surface it is attached to. The original value of the sensor will be 0 (LOW).
Buy Tilt Sensor from here.
5. Jumper Wires
These are the main components that are used to establish the connections between different devices of the circuit.
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6. Breadboard
The breadboard is the basic component of any circuit building process. All components, be it input sensors or output display devices are connected to the power supply, microcontroller using wired connections through a breadboard. The holes in the breadboard are in series. There are various sizes like full-sized, half-sized, and mini breadboard.
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7. Resistor
Resistors are passive devices that restrict the flow of current or divide the voltage through the circuit. The input power passes through these resistors and then to the sensors to avoid damage.
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Circuit Connections
The circuit connections are as follows.
Firstly, the Ground pin and 5V power supply pin of the Arduino are connected to two separate lines of the breadboard.
The #Tilt sensor has three terminals. The Ground terminal of the sensor is connected to the ground line of the breadboard. The second terminal is connected to the Digital PIN 4 of the Arduino. The VCC terminal of the sensor is connected to the power supply line on the breadboard.
The #buzzer has two terminals. The negative terminal of the buzzer is connected to the ground line of the breadboard and the positive terminal of the buzzer is connected to the Digital PIN 3 of the Arduino board.
The LED has two terminals. The negative terminal o the #LED is connected to the ground line on the #breadboard. The positive terminal of the LED is connected to the Digital PIN 2 of the Arduino by connecting the 220 Ohm resistor in series with the LED.
The #Arduino is connected to the Computer system interfaced through the USB cable and the code is uploaded.
Code :
Note: Please change the file format to .ino(Arduino IDE) format before you upload the code to the Arduino board.
Working
The Tilt sensor is the Input device for this circuit. The sensor output is given as input to the circuit in terms of 0 and 1. Usually, the value '0' is assigned to the sensor. When there is an inclination in the surface to which the sensor is attached, the sensor value goes HIGH.
The change in this value is given to the LED and Buzzer which glows and gives a tone respectively when there is a change in the output from the #sensor. The status of the LED and the buzzer come back to normal, i.e. becomes LOW when there is no inclination in the surface and when the Tilt sensor output doesn't give the value 1.
Check the Project Working video here - Interfacing Tilt Sensor with Arduino Uno || How to control an LED & a Buzzer with Tilt Sensor?
Video By - Kaushik Ram Selvaraj
A tilt sensor can also be used as a Tilt #switch in a few circuits that can trigger other devices and give output. For example, if we consider a Servo motor connected to a fan that is further connected to the circuit to maintain a temperature of a device and when there is a tilt in the surface where the particular device is kept, the tilt sensor acts as a switch and might trigger the motor and fan to switch ON.
This is just an example. There are various circuits in which the Tilt sensor can be used. Start exploring by #designing your own circuit.
SEE ALSO:
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Informative and concise! LearnElectronics India always delivers quality content.
This blog exceeded my expectations! I've come across numerous tutorials before, but the way this one explained the working principle of the tilt sensor and its integration with Arduino Uno was outstanding. It's evident that Learn Electronics India has a deep understanding of the subject matter. Highly recommended.