
Home Automation using Smartphone
This project will show you how to automate your home using your Smartphone.
It may not know who you are. But it will look for you and it will find you. And nothing that comes in its way will be spared by it. It is none other than the determined and precise Line Following Robot!
Enough of the filmy stuff. Who’s all excited to make one with us? Bet you are!
So, why wait any longer? Ready. Set. DIY!
Image | Component | Quantity | Available in Kit |
---|---|---|---|
![]() | evive | 1 | |
![]() | IR Sensor | 2 | |
![]() | Acrylic Part: Base Plate | 1 | |
![]() | Dual Shaft BO Motor | 2 | |
![]() | BO Motor Mount | 2 | |
![]() | Caster Wheel | 1 | |
![]() | BO Wheel | 2 | |
![]() | 15mm M3 (Male to Female) | 5 | |
![]() | M3 bolts of 20 mm Length | 4 | |
![]() | M3 bolts of 12mm Length | 11 | |
![]() | M3 Nuts | 13 | |
![]() | Screw Driver (+) | 1 |
Your Line Following Robot is now ready.
For different materials calibration for IR Sensor is done differently. As for making the path which the line follower will follow, we will be using the black chart paper or the black tape.
Thus, we now need to calibrate our sensor according to them.
Now, to calibrate your sensor, place a piece of tape or chart paper below the robot at the distance which will be equal to the distance between the IR Sensor and the ground.
Here, as we have programmed it, we can directly see on the screen whether the sensor is calibrated or not. The two round rectangles on the screen indicated the IR Sensor corresponding to their sides.
Let’s calibrate the left one:
If we place the chart paper below the IR Sensor, the left round rectangles should turn ‘GREEN’, if not gently turn the potentiometer (that tiny blue cube with a screw in it) with a screwdriver.
If that is done, take the chart paper off and now the round rectangles should turn RED, if not turn the potentiometer in the other direction.
This should be the screen when you calibrated the left one:
Thus, one of your sensors is calibrated.
Now, repeat the same process with the right sensor.
And you’re done; your sensor is calibrated.
How, or rather when the robot follows anything depends on the state of the two sensors.
We will connect the two DC Motors to M1 and M2.
And the IR Sensors are connected as:
The following code will help you to make the Line Following Robot:
With this, your Line Following Robot is ready for action! Go ahead and watch it follow the tracks laid down by you effortlessly.
Description | Circuit Diagram |
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We will connect the two DC Motors to M1 and M2. And the IR Sensors are connected as:
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Description | Download Code |
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Arduino Code for Line Following Robot | Download |
evive Library | Download |
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