About This Project
Learn how to create a hand gesture controlled robot that can be controlled by our hand gestures.
Project Info
- Programming Platform: Arduino IDE
- Difficulty: Intermediate
- Estimated Time: 2 Hrs
- Category: Arduino, Robotics
Watch the video here.
Introduction
We have witnessed the controlling of robots with handheld devices like mobile phones. Taking a step further, we are going to create a hand gesture controlled robot. Yes, you read that correctly, this bot can be controlled with your hand gesture. You don’t need to tap on any device, instead, you need to just move your hand to make the bot move.
Working of Hand Gesture Controlled Robot
There is a serial communication between the two Arduino boards while one board is used to send the signals the other one is used to receive the signals. The accelerometer sensor senses the gesture of the hand and the transmitter uses a HC05 Bluetooth module to send the signal. The transmitter circuit
In this project we are going to learn about the hand gesture controlled robot.
Components Required
| IMAGE | COMPONENT | QUANTITY |
|---|
BO Motor
2
Wheels
2
Bluetooth Module HC-05
2
Motor Driver (L298N)
1
Jumper Wires
As Per Required
Accelerometer Sensor
1
Battery
4
Arduino UNO
1
Arduino Nano
1
What is BO Motor?
BO motor is a lightweight DC geared motor that gives good torque and RPM at low voltages. The BO motor has the ability to run at approximately 150 RPM when driven by a single Li-Ion cell. The BO motor is used for the lightweight applications and is available in different torque and RPM.
What is L298N Motor Driver?
L298N is a high current dual full-bridge driver that is capable of accepting standard TTL logic levels. It can drive inductive loads like relays, solenoids, motors (DC and stepping motor), etc. Low saturation voltage, over-temperature protection, etc are some of its notable features.
What is Bluetooth Module HC-05?
The HC-05 Bluetooth module uses serial communication to communicate with the electronics. It can be operated within 4-6V of power supply. It supports baud rates of 9600, 19200, 38400, 57600, and more. This Bluetooth module can be operated in Master-Slave mode which means it will neither send nor receive data from external sources.
What is Accelerometer Sensor?
Accelerometer is an electromechanical device used to measure acceleration forces that are either static like the force of gravity or dynamic like in mobile devices.
Building Guide
Step 1: Assembly
- Start by listing the components required.
- Now create the receiver bot by adding a motor driver L298N to it.
- Now add the Arduino UNO on top of the bot with the help of double-sided tape.
- Connect the motor pin with the Arduino digital pin 6,7,9,10.
- Connect the Bluetooth module to the receiver end.
- Power up the motor driver by providing the 12V and the GND connection using Arduino.
- Now create the transmitter.
- Powering the Bluetooth module and accelerometer sensor.
Step 2: Logic
- If the accelerometer sensor is tilted towards the right side then the bot should move to the right side and similarly for the other directions also respectively left, front and back.
- If the accelerometer sensor is still or not tilting in any direction then the bot should not be moving in any of the directions.
Step 3: Circuitry of the Robot
- Powering the components
- Powering the Bluetooth module.
- VCC to 5V
- GND / to GND
- Tx to Rx
- Rx to Tx
- Powering the motor driver
- 12V to Vin pin
- GND to GND
- Left Motor to 3,4
- Right Motor to 5,6
Wasn’t this project interesting? Hope you enjoyed it. Do share your views with us. Were you able to successfully make the hand gesture controlled robot following the stepwise procedure given above? Does your bot move with your hand gesture?
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The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.
Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
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You Do Better At School If You Code
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Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
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You don’t need any sophisticated apparatus except your laptop for coding. All you need is the will to learn more and follow your interests through code. To learn to code you do not need to go to a special school or have any special capabilities. You can opt for free coding classes for kids which are held completely online and follow a completely hands-off approach in helping kids learn to code. There are also a vast number of coding sites for kids on which they can log in to learn basic coding facts for kids without even having to enroll in a class.
Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.