![]() After, upload this code to the robot and reconnect the RX and TX jumper wires.Because I started this project from scratch, I needed some guidelines before I started to design the system. Next, remove the RX and TX jumper wires connected to the Bluetooth module. Then, remove the two forward slashes in front of the “obstacle” function. OK, now connect this robot car to the computer. If the char value is "*", the car is stopped. If the char value is "-", the car moves backward. If the char value is "^", the car moves forward. gets the serial communication values and puts them into the char variable. Long cm = t / 29 / 2 //time convert distance Ultrasonic sensor distance reading function *obstacle avoiding, Bluetooth control, voice control robot car. The complete program of this project – Download. ![]() This program includes all three functions. So, let’s create the program for this project. Now, attach the robot wheels and put the batteries to the battery holder. Step 10Īfter, glue the battery holder and connect it to the driver shield. Then, connect the Bluetooth module to the motor driver shield and glue it to the robot chassis. Next, connect the servo motor and the ultrasonic sensor using the circuit diagram above. Step 7Īfterward, attach the servo motor and ultrasonic sensor as follows. To do this, use the circuit diagram below. Then, connect the motors to the motor driver shield. Next, dig two holes on either side of the Arduino board and insert the gear motor wire through these holes. Then, attach the motor shield to the Arduino board and glue it to the robot chassis. ![]() Thirdly, glue the four gear motors to the foam board piece. Secondly, cut the foam board piece as follows. L293D motor driver shield Ultrasonic sensor Bluetooth module Servo motor Li-ion battery Li-ion battery Foamboard Robot wheel Gear motor Jumper wires Arduino UNO board Step 2 Step 1įirstly, identify these components. As an Amazon Associate, I earn from qualifying purchases. Foam board or cardboard - Amazon / Banggoodĭisclosure: These Amazon links are Affiliate links.Li-ion battery holder x 1 - Amazon / Our Store.Bluetooth module x 1 - Amazon / Our Store.Ultrasonic sensor x 1 - Amazon / Our Store.L293D motor driver x 1 - Amazon / Our Store.Arduino UNO board x 1 - Amazon / Our Store.This also requires a Bluetooth module and mobile app. ![]() In this case, we can control this robot using several voice commands. In this case, we can control the robot through an app on the smartphone. Study the previous articles for more information. The ultrasonic sensor is mainly used for this purpose. In this case, the robot car moves along using the obstacle avoiding. We can control this robot car using three methods. Also, in this tutorial, you will be able to easily create this as the tutorial shows you step by step how to build this robot car. The L293D motor drive shield is used to drive the motors. Also, It mainly uses an Ultrasonic sensor and a Bluetooth module. That is, this includes obstacle avoidance, Bluetooth control, and voice control functions. In this tutorial, we will learn how to make a multi-functional robot using the Arduino platform. Hello, welcome back to another interesting tutorial from the SriTu Hobby.
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