Robotics
Bluetooth-Controlled Car
Drive it from your phone.
ArduinoHC-05L298N
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Overview
What it does & why.
A differential-drive robot controlled over Bluetooth from a custom app, with obstacle avoidance.
How it works
Signal, energy & data flow.
1
Command
A phone app sends drive commands over HC-05 Bluetooth.
2
Drive
An L298N H-bridge powers the geared motors.
3
Avoid
An ultrasonic sensor stops the car before obstacles.
Key Features
App control
Custom mobile controller.
Obstacle avoidance
Auto-stop on close range.