MNAPcb

STM32-Based Motor Control PCB

📌 Overview

This project is a custom-designed 2-layer motor control PCB developed for embedded motion control and automation applications. The board integrates an STM32 microcontroller, motor driver circuitry, INA226 current sensing, and onboard power management for efficient and reliable motor control.

The PCB was designed to support real-time motor actuation, current monitoring, and embedded control workflows for robotics and mechatronics systems.

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🚀 Features

• STM32-based embedded control system
• Integrated motor driver interface for DC/Stepper motor control
• INA226 current and voltage monitoring
• Onboard DC power regulation circuitry
• Multi-voltage power distribution architecture
• 2-layer PCB optimized for compact routing and manufacturability
• Support for sensor interfacing and external peripherals
• Designed for rapid prototyping and embedded testing applications

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🔧 Hardware Components

Microcontroller

• STM32 MCU for real-time motor control and peripheral interfacing

Current Sensing

• INA226 current/voltage monitoring IC
• I2C communication interface

Motor Control

• Motor driver integration for controlling motors
• PWM and direction-based control signals

Power Management

• DC-DC conversion stages for generating required operating voltages
• Power filtering and decoupling circuitry
• Separate logic and motor power domains

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🛠️ PCB Design Details

• 2-layer PCB design
• Optimized power and signal routing
• Ground plane implementation for noise reduction
• Compact component placement for efficient thermal and electrical performance
• Designed using standard PCB CAD tools

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💻 Firmware & Embedded Features

• STM32 HAL-based firmware development
• PWM motor control
• Current monitoring using INA226
• GPIO, I2C, UART, and timer peripheral integration
• Real-time control and debugging support

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📷 Project Highlights

• Complete schematic and PCB design from scratch
• Integrated power electronics and embedded control on a single board
• Focus on reliability, modularity, and rapid hardware iteration
• Suitable for robotics, automation, and mechatronics applications

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🔩 Applications

• Robotics platforms
• Motor control systems
• Embedded automation
• Mechatronics prototyping
• Industrial testing systems

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📚 Technologies Used

• STM32
• Embedded C
• PCB Design
• Power Electronics
• INA226
• Motor Drivers
• I2C Communication
• PWM Control

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Built with a strong focus on practical embedded engineering, hardware integration, and real-world motion control applications.