This project shows how you can build a car which can be controlled by your smartphone using an android application via Bluetooth.
Project tutorial by JANAK13
This project shows how to control a servo motor with a smartphone via Bluetooth.
A good project for leaning and implementing serial communication, real-time data access, and using Firebase.
Project showcase by JANAK13
This project uses an ultrasonic distance sensor to create a pocket of wave interference where a small object can be levitated.
Project tutorial by millerman4487
I think you might not have downloaded the required libraries.
Click on this link and download the libraries. Copy and Paste it in Arduino/Libraries on your device. This should work!
I initially planned to use a rechargeable battery system but I would have made this tutorial a bit complex. But it can be done. Thankyou.
If you are talking about a two wheeler like bike or scooter then this design cannot be used because they use a steering to steer left or right and it that case you have to use a single motor to drive the back wheels.
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