Lesson 14 | Motor Control Using Keyboard | L293D Full Control (Forward, Backward & Stop)

We switch from joystick control to real-time keyboard control of a DC motor in Lesson 14 of the Arduino & Python automation series.

This tutorial will teach you how to use Python to control the direction and speed of a motor straight from your computer keyboard, with an Arduino taking care of the hardware interface.

A significant step toward automation systems, robotics, and PC-controlled machinery is this.

✅ Things You Will Discover

- How to use PyFirmata to connect Python to Arduino
- Using the L293D motor driver to control a DC motor
- Motor control via keyboard (W, S, and Q commands)
- Python-based PWM speed control
- Writing motor control logic that is clear and stable
- Protecting state memory from command flooding

🎮 Keyboard Functions

W → Motor Forward
S → Backward Motor
Q → Stop Motor
E → Safely Leave the Program

🧰 Hardware Used

- Arduino board
- L293D Motor Driver
- DC Motor
- External power supply
- Jumper wires

🚀 The Significance of This Lesson

Keyboard control provides the framework for:
- Control of robotics using a PC
- Interfaces for automation
- Operation of a remote machine
- HMI stands for human-machine interaction.
This is a major step toward building intelligent robotic systems using Python.

Видео Lesson 14 | Motor Control Using Keyboard | L293D Full Control (Forward, Backward & Stop) канала Engineering In Motion