---
title: "How to Build an Ethernet-Based STM32 Motor Control and Oscilloscope System with W5500?"
url: "https://maker.wiznet.io/gavinchang/projects/how-to-build-an-ethernet-based-stm32-motor-control-and-oscilloscope-system-with-w5500/"
markdown_url: "https://maker.wiznet.io/gavinchang/projects/how-to-build-an-ethernet-based-stm32-motor-control-and-oscilloscope-system-with-w5500/md"
type: "UCC: User Created Content"
author: "ZLinear开源电子"
author_url: "https://www.bilibili.com/video/BV1Fb42eRE5E/?spm_id_from=333.1387.search.video_card.click&vd_source=ab013cc5ffdecedae5ee47ae256d7306"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "ZLinear开源电子"
original_url: "https://www.bilibili.com/video/BV1Fb42eRE5E/?spm_id_from=333.1387.search.video_card.click&vd_source=ab013cc5ffdecedae5ee47ae256d7306"
published: "2026-02-27"
language: "en"
likes: 0
views: 335
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# How to Build an Ethernet-Based STM32 Motor Control and Oscilloscope System with W5500?

> This project combines STM32, the WIZnet W5500 Ethernet controller, and a brushed DC motor driver to create an Ethernet-enabled motor control and waveform monito

Original author: ZLinear开源电子 (source: https://www.bilibili.com/video/BV1Fb42eRE5E/?spm_id_from=333.1387.search.video_card.click&vd_source=ab013cc5ffdecedae5ee47ae256d7306)

## Article

## How to Build an Ethernet-Based STM32 Motor Control and Oscilloscope System with W5500?

## (W5500과 STM32로 이더넷 기반 모터 제어 및 오실로스코프 시스템 구축하기)

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### Project Summary (58 words)

This project combines STM32, the WIZnet W5500 Ethernet controller, and a brushed DC motor driver to create an Ethernet-enabled motor control and waveform monitoring system. By using hardware TCP/IP offloading instead of Wi-Fi, the design ensures reliable communication in EMI-heavy motor environments, making it suitable for Industrial IoT applications.

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### System Architecture Overview

#### Core Blocks

**STM32**

PWM motor control

ADC waveform sampling

Control algorithms

**W5500**

Hardware TCP/IP stack

Ethernet interface

SPI connection to STM32

**Motor Driver**

H-bridge or MOSFET stage

Current sensing

Power isolation

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### Network Architecture & Protocol Flow

#### Communication Flow

Remote Client → Ethernet → W5500 → STM32 → Motor Driver → Motor

#### Data Types

Configuration commands (speed, direction)

Real-time waveform data (voltage/current)

Status telemetry (temperature, fault)

#### Protocol Selection

| Protocol | Use Case |
| --- | --- |
| TCP | Reliable control & waveform transfer |
| UDP | Low-latency streaming |
| HTTP | Web-based configuration |
| MQTT | Cloud telemetry |

W5500 isolates network stack complexity from the control firmware.

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### Ethernet vs Wi-Fi in Motor Control Systems

Motor environments generate:

EMI noise

Voltage spikes

High current switching

Wi-Fi systems may suffer packet loss or jitter. Ethernet with W5500:

Provides stable wired connectivity

Eliminates RF sensitivity

Ensures deterministic latency

Improves industrial robustness

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### Industrial IoT Design Perspective

This architecture mirrors professional industrial systems:

Control loop runs locally on MCU

Network layer is hardware-isolated

Remote monitoring does not disturb control timing

Suitable for continuous 24/7 operation

It bridges motor control engineering with networked instrumentation.

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### FAQ (WIZnet-Focused)

**Q1: Why use W5500 for motor control systems?**
A: W5500 ensures stable Ethernet communication even in EMI-heavy motor environments.

**Q2: How does STM32 communicate with W5500?**
A: Via SPI, allowing deterministic separation between control and networking.

**Q3: Is this suitable for Industrial IoT?**
A: Yes. Wired Ethernet is preferred in industrial motor control applications.

**Q4: Can waveform data be streamed?**
A: Yes, using TCP or UDP sockets handled by W5500.

**Q5: Is Wi-Fi a good alternative here?**
A: Generally no. Wi-Fi is more susceptible to EMI and latency variation in motor systems.

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### Tags

#W5500 #STM32 #MotorControl #Ethernet #IndustrialIoT #EmbeddedOscilloscope

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## 🇰🇷 KOREAN VERSION

## W5500과 STM32로 이더넷 기반 모터 제어 및 오실로스코프 시스템을 구축하는 방법은?

## (How to Build an Ethernet-Based STM32 Motor Control and Oscilloscope System with W5500?)

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### 프로젝트 개요 (58단어)

이 프로젝트는 STM32, WIZnet W5500 이더넷 컨트롤러, 브러시 DC 모터 드라이버를 결합하여 이더넷 기반 모터 제어 및 파형 모니터링 시스템을 구현합니다. Wi-Fi 대신 하드웨어 TCP/IP 오프로딩을 사용하여 EMI가 많은 모터 환경에서도 안정적인 산업용 IoT 통신을 제공합니다.

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### 시스템 구성

STM32: PWM 제어, ADC 샘플링

W5500: 하드웨어 TCP/IP 이더넷 통신

모터 드라이버: H-브리지, 전류 센싱

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### 네트워크 아키텍처

Remote Client → Ethernet → W5500 → STM32 → Motor Driver

네트워크 처리는 W5500이 담당하여 제어 루프에 영향을 주지 않습니다.

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### 산업용 IoT 관점

유선 이더넷 사용

EMI 환경에서도 안정적

제어 루프와 네트워크 분리

실제 산업용 모터 제어 시스템과 동일한 구조입니다.

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### FAQ

**Q1: 왜 W5500을 사용하나요?**
A: 모터 환경의 EMI에서도 안정적인 이더넷 통신을 제공하기 때문입니다.

**Q2: STM32와의 연결 방식은?**
A: SPI 인터페이스입니다.

**Q3: 산업용으로 적합한가요?**
A: 네, 유선 이더넷 기반 설계는 산업 환경에 적합합니다.

**Q4: 파형 데이터를 전송할 수 있나요?**
A: TCP/UDP를 통해 가능합니다.

**Q5: Wi-Fi로 대체 가능합니까?**
A: 모터 환경에서는 권장되지 않습니다.

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Source: https://maker.wiznet.io/gavinchang/projects/how-to-build-an-ethernet-based-stm32-motor-control-and-oscilloscope-system-with-w5500/