It would be so good if would be able to control a robot or your rc car using a laptop just like you control a car in a game. Well, it can be made possible using the versatile arduino UNO. There are thousands of projects you can make with arduino. This one of those projects. It is basically a robot which can be controlled over a laptop or pc. It can be connected to your pc using bluetooth. It uses an HC-05 bluetooth module which is connected to arduino UNO. When you press a button on the keyboard, a string of data is sent to bluetooth module through the bluetooth of laptop. The module then transmitts the data to arduino which processes it. Arduino then sends a signal to motor driver ic which conducts current to the motors and the motor spins.
For making this robot you would need the parts and tools listed below. Most of them can be bought from ebay or radioshack.
1x Arduino board (UNO)
1x HC-05 Bluetooth module
1x 12v Battery (according to your requirement,i’m using 1.3AH)
4x DC Geared motors (speed and torque according to your requirement)
4x Wheels for motors (i used two small ones and two big ones)
1x Adapter Jack (to power the arduino board)
1x L293d motor driver ic
8x Male jumper wires
Rainbow cable (for motor connections)
Jumper cable (for breadboard connections)
Alligator clips (for connecting battery)
LEDs- 2x red, 2x white (if you want to add front and rear lights)
-Fume Extractor (if you don’t like the bad smell of burning flux)
-Wire Cutter/Stripper -Double Sided Sticky Foam Tape
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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